<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance"
            xmlns="http://www.w3.org/1999/xhtml"
            xmlns:arr="http://xbrl.dcca.dk/arr"
            xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2022-02-16"
            xmlns:cmn="http://xbrl.dcca.dk/cmn"
            xmlns:gram="https://gram.dk"
            xmlns:sob="http://xbrl.dcca.dk/sob"
            xmlns:link="http://www.xbrl.org/2003/linkbase"
            xmlns:ifrs-full="https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full"
            xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
            xmlns:ix="http://www.xbrl.org/2013/inlineXBRL"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:mrv="http://xbrl.dcca.dk/mrv"
            xmlns:fsa="http://xbrl.dcca.dk/fsa"
            xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
            xmlns:gsd="http://xbrl.dcca.dk/gsd"
            xmlns:xlink="http://www.w3.org/1999/xlink"
            xml:lang="en">
   <link:schemaRef xlink:href="https://gram.dk/gram-2025-12-31.xsd"
                   xlink:type="simple"
                   xml:lang="en"/>
   <xbrli:context id="ctx6">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2025-01-01</xbrli:startDate>
         <xbrli:endDate>2025-12-31</xbrli:endDate>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx7">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2024-01-01</xbrli:startDate>
         <xbrli:endDate>2024-12-31</xbrli:endDate>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx8">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2025-12-31</xbrli:instant>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx9">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx10">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2023-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx11">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2023-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx12">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2023-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx13">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2023-12-31</xbrli:instant>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx14">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2024-01-01</xbrli:startDate>
         <xbrli:endDate>2024-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx15">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2024-01-01</xbrli:startDate>
         <xbrli:endDate>2024-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx16">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2024-01-01</xbrli:startDate>
         <xbrli:endDate>2024-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx17">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx20">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx18">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx21">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx19">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx22">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx23">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2024-12-31</xbrli:instant>
      </xbrli:period>
   </xbrli:context>
   <xbrli:context id="ctx24">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2025-01-01</xbrli:startDate>
         <xbrli:endDate>2025-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx25">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2025-01-01</xbrli:startDate>
         <xbrli:endDate>2025-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx26">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:startDate>2025-01-01</xbrli:startDate>
         <xbrli:endDate>2025-12-31</xbrli:endDate>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx27">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2025-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:IssuedCapitalMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx28">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2025-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">ifrs-full:RetainedEarningsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:context id="ctx29">
      <xbrli:entity>
         <xbrli:identifier scheme="http://www.dcca.dk/cvr">26157455</xbrli:identifier>
      </xbrli:entity>
      <xbrli:period>
         <xbrli:instant>2025-12-31</xbrli:instant>
      </xbrli:period>
      <xbrli:scenario>
         <xbrldi:explicitMember dimension="ifrs-full:ComponentsOfEquityAxis">gram:ProposedDividendsMember</xbrldi:explicitMember>
      </xbrli:scenario>
   </xbrli:context>
   <xbrli:unit id="vEUR">
      <xbrli:measure>iso4217:EUR</xbrli:measure>
   </xbrli:unit>
   <ifrs-full:Revenue contextRef="ctx6" decimals="0" id="fact1170" unitRef="vEUR">44187247</ifrs-full:Revenue>
   <ifrs-full:Revenue contextRef="ctx7" decimals="0" id="fact1204" unitRef="vEUR">43925514</ifrs-full:Revenue>
   <ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress contextRef="ctx6" decimals="0" id="fact1171" unitRef="vEUR">1041973</ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress>
   <ifrs-full:RawMaterialsAndConsumablesUsed contextRef="ctx6" decimals="0" id="fact1172" unitRef="vEUR">32091808</ifrs-full:RawMaterialsAndConsumablesUsed>
   <ifrs-full:OtherExpenseByNature contextRef="ctx6" decimals="0" id="fact1173" unitRef="vEUR">6748799</ifrs-full:OtherExpenseByNature>
   <ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress contextRef="ctx7" decimals="0" id="fact1205" unitRef="vEUR">255615</ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress>
   <ifrs-full:RawMaterialsAndConsumablesUsed contextRef="ctx7" decimals="0" id="fact1206" unitRef="vEUR">32915002</ifrs-full:RawMaterialsAndConsumablesUsed>
   <ifrs-full:OtherExpenseByNature contextRef="ctx7" decimals="0" id="fact1207" unitRef="vEUR">5990698</ifrs-full:OtherExpenseByNature>
   <ifrs-full:GrossProfit contextRef="ctx6" decimals="0" id="fact1174" unitRef="vEUR">4304667</ifrs-full:GrossProfit>
   <ifrs-full:GrossProfit contextRef="ctx7" decimals="0" id="fact1208" unitRef="vEUR">4764200</ifrs-full:GrossProfit>
   <ifrs-full:EmployeeBenefitsExpense contextRef="ctx6" decimals="0" id="fact1175" unitRef="vEUR">3913890</ifrs-full:EmployeeBenefitsExpense>
   <ifrs-full:EmployeeBenefitsExpense contextRef="ctx7" decimals="0" id="fact1209" unitRef="vEUR">4035285</ifrs-full:EmployeeBenefitsExpense>
   <ifrs-full:DepreciationAndAmortisationExpense contextRef="ctx6" decimals="0" id="fact1176" unitRef="vEUR">275983</ifrs-full:DepreciationAndAmortisationExpense>
   <ifrs-full:DepreciationAndAmortisationExpense contextRef="ctx7" decimals="0" id="fact1210" unitRef="vEUR">266699</ifrs-full:DepreciationAndAmortisationExpense>
   <ifrs-full:ProfitLossFromOperatingActivities contextRef="ctx6" decimals="0" id="fact1177" unitRef="vEUR">114794</ifrs-full:ProfitLossFromOperatingActivities>
   <ifrs-full:ProfitLossFromOperatingActivities contextRef="ctx7" decimals="0" id="fact1211" unitRef="vEUR">462216</ifrs-full:ProfitLossFromOperatingActivities>
   <ifrs-full:FinanceIncome contextRef="ctx6" decimals="0" id="fact1178" unitRef="vEUR">153346</ifrs-full:FinanceIncome>
   <ifrs-full:FinanceIncome contextRef="ctx7" decimals="0" id="fact1212" unitRef="vEUR">110787</ifrs-full:FinanceIncome>
   <ifrs-full:FinanceCosts contextRef="ctx6" decimals="0" id="fact1179" unitRef="vEUR">176733</ifrs-full:FinanceCosts>
   <ifrs-full:FinanceCosts contextRef="ctx7" decimals="0" id="fact1213" unitRef="vEUR">205433</ifrs-full:FinanceCosts>
   <ifrs-full:ProfitLossBeforeTax contextRef="ctx6" decimals="0" id="fact1180" unitRef="vEUR">91406</ifrs-full:ProfitLossBeforeTax>
   <ifrs-full:ProfitLossBeforeTax contextRef="ctx7" decimals="0" id="fact1214" unitRef="vEUR">367569</ifrs-full:ProfitLossBeforeTax>
   <ifrs-full:IncomeTaxExpenseContinuingOperations contextRef="ctx6" decimals="0" id="fact1181" unitRef="vEUR">39802</ifrs-full:IncomeTaxExpenseContinuingOperations>
   <ifrs-full:IncomeTaxExpenseContinuingOperations contextRef="ctx7" decimals="0" id="fact1215" unitRef="vEUR">82095</ifrs-full:IncomeTaxExpenseContinuingOperations>
   <ifrs-full:ProfitLoss contextRef="ctx6" decimals="0" id="fact1182" unitRef="vEUR">51604</ifrs-full:ProfitLoss>
   <ifrs-full:ProfitLoss contextRef="ctx7" decimals="0" id="fact1216" unitRef="vEUR">285475</ifrs-full:ProfitLoss>
   <ifrs-full:ProfitLoss contextRef="ctx6" decimals="0" id="fact1183" unitRef="vEUR">51604</ifrs-full:ProfitLoss>
   <ifrs-full:ProfitLoss contextRef="ctx7" decimals="0" id="fact1217" unitRef="vEUR">285475</ifrs-full:ProfitLoss>
   <ifrs-full:ComprehensiveIncome contextRef="ctx6" decimals="0" id="fact1186" unitRef="vEUR">51604</ifrs-full:ComprehensiveIncome>
   <ifrs-full:ComprehensiveIncome contextRef="ctx7" decimals="0" id="fact1220" unitRef="vEUR">285475</ifrs-full:ComprehensiveIncome>
   <ifrs-full:Goodwill contextRef="ctx8" decimals="0" id="fact1238" unitRef="vEUR">1490697</ifrs-full:Goodwill>
   <ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights contextRef="ctx8" decimals="0" id="fact1239" unitRef="vEUR">1761095</ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights>
   <ifrs-full:Goodwill contextRef="ctx9" decimals="0" id="fact1274" unitRef="vEUR">1490697</ifrs-full:Goodwill>
   <ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights contextRef="ctx9" decimals="0" id="fact1275" unitRef="vEUR">1761095</ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights>
   <ifrs-full:IntangibleAssetsOtherThanGoodwill contextRef="ctx8" decimals="0" id="fact1240" unitRef="vEUR">3251792</ifrs-full:IntangibleAssetsOtherThanGoodwill>
   <ifrs-full:IntangibleAssetsOtherThanGoodwill contextRef="ctx9" decimals="0" id="fact1276" unitRef="vEUR">3251792</ifrs-full:IntangibleAssetsOtherThanGoodwill>
   <gram:LeaseholdImprovement contextRef="ctx8" decimals="0" id="fact1241" unitRef="vEUR">0</gram:LeaseholdImprovement>
   <ifrs-full:RightofuseAssets contextRef="ctx8" decimals="0" id="fact1242" unitRef="vEUR">150406</ifrs-full:RightofuseAssets>
   <ifrs-full:FixturesAndFittings contextRef="ctx8" decimals="0" id="fact1243" unitRef="vEUR">2005</ifrs-full:FixturesAndFittings>
   <gram:LeaseholdImprovement contextRef="ctx9" decimals="0" id="fact1277" unitRef="vEUR">0</gram:LeaseholdImprovement>
   <ifrs-full:RightofuseAssets contextRef="ctx9" decimals="0" id="fact1278" unitRef="vEUR">391479</ifrs-full:RightofuseAssets>
   <ifrs-full:FixturesAndFittings contextRef="ctx9" decimals="0" id="fact1279" unitRef="vEUR">2005</ifrs-full:FixturesAndFittings>
   <ifrs-full:PropertyPlantAndEquipment contextRef="ctx8" decimals="0" id="fact1244" unitRef="vEUR">152412</ifrs-full:PropertyPlantAndEquipment>
   <ifrs-full:PropertyPlantAndEquipment contextRef="ctx9" decimals="0" id="fact1280" unitRef="vEUR">393485</ifrs-full:PropertyPlantAndEquipment>
   <ifrs-full:DeferredTaxAssets contextRef="ctx8" decimals="0" id="fact1245" unitRef="vEUR">105641</ifrs-full:DeferredTaxAssets>
   <ifrs-full:DeferredTaxAssets contextRef="ctx9" decimals="0" id="fact1281" unitRef="vEUR">140072</ifrs-full:DeferredTaxAssets>
   <ifrs-full:DeferredTaxAssets contextRef="ctx8" decimals="0" id="fact1246" unitRef="vEUR">105641</ifrs-full:DeferredTaxAssets>
   <ifrs-full:DeferredTaxAssets contextRef="ctx9" decimals="0" id="fact1282" unitRef="vEUR">140072</ifrs-full:DeferredTaxAssets>
   <ifrs-full:NoncurrentAssets contextRef="ctx8" decimals="0" id="fact1247" unitRef="vEUR">3509845</ifrs-full:NoncurrentAssets>
   <ifrs-full:NoncurrentAssets contextRef="ctx9" decimals="0" id="fact1283" unitRef="vEUR">3785349</ifrs-full:NoncurrentAssets>
   <ifrs-full:Inventories contextRef="ctx8" decimals="0" id="fact1248" unitRef="vEUR">5695566</ifrs-full:Inventories>
   <ifrs-full:CurrentTradeReceivables contextRef="ctx8" decimals="0" id="fact1249" unitRef="vEUR">7087563</ifrs-full:CurrentTradeReceivables>
   <ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties contextRef="ctx8" decimals="0" id="fact1250" unitRef="vEUR">64267</ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties>
   <ifrs-full:Inventories contextRef="ctx9" decimals="0" id="fact1284" unitRef="vEUR">6481924</ifrs-full:Inventories>
   <ifrs-full:CurrentTradeReceivables contextRef="ctx9" decimals="0" id="fact1285" unitRef="vEUR">5134502</ifrs-full:CurrentTradeReceivables>
   <ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties contextRef="ctx9" decimals="0" id="fact1286" unitRef="vEUR">133849</ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx8" decimals="0" id="fact1251" unitRef="vEUR">1116810</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CurrentTaxAssetsCurrent contextRef="ctx8" decimals="0" id="fact1254" unitRef="vEUR">91673</ifrs-full:CurrentTaxAssetsCurrent>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx9" decimals="0" id="fact1287" unitRef="vEUR">2540060</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CurrentTaxAssetsCurrent contextRef="ctx9" decimals="0" id="fact1290" unitRef="vEUR">214598</ifrs-full:CurrentTaxAssetsCurrent>
   <ifrs-full:OtherCurrentAssets contextRef="ctx8" decimals="0" id="fact1255" unitRef="vEUR">14055879</ifrs-full:OtherCurrentAssets>
   <ifrs-full:OtherCurrentAssets contextRef="ctx9" decimals="0" id="fact1291" unitRef="vEUR">14504933</ifrs-full:OtherCurrentAssets>
   <ifrs-full:Assets contextRef="ctx8" decimals="0" id="fact1256" unitRef="vEUR">17565724</ifrs-full:Assets>
   <ifrs-full:Assets contextRef="ctx9" decimals="0" id="fact1292" unitRef="vEUR">18290282</ifrs-full:Assets>
   <ifrs-full:IssuedCapital contextRef="ctx8" decimals="0" id="fact1257" unitRef="vEUR">2144772</ifrs-full:IssuedCapital>
   <ifrs-full:RetainedEarnings contextRef="ctx8" decimals="0" id="fact1258" unitRef="vEUR">7989187</ifrs-full:RetainedEarnings>
   <ifrs-full:IssuedCapital contextRef="ctx9" decimals="0" id="fact1293" unitRef="vEUR">2144772</ifrs-full:IssuedCapital>
   <ifrs-full:RetainedEarnings contextRef="ctx9" decimals="0" id="fact1294" unitRef="vEUR">7937583</ifrs-full:RetainedEarnings>
   <ifrs-full:Equity contextRef="ctx8" decimals="0" id="fact1259" unitRef="vEUR">10133959</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx9" decimals="0" id="fact1295" unitRef="vEUR">10082355</ifrs-full:Equity>
   <ifrs-full:NoncurrentLeaseLiabilities contextRef="ctx8" decimals="0" id="fact1261" unitRef="vEUR">49366</ifrs-full:NoncurrentLeaseLiabilities>
   <ifrs-full:NoncurrentWarrantLiability contextRef="ctx8" decimals="0" id="fact1262" unitRef="vEUR">322000</ifrs-full:NoncurrentWarrantLiability>
   <ifrs-full:DeferredTaxLiabilities contextRef="ctx8" decimals="0" id="fact1263" unitRef="vEUR">740440</ifrs-full:DeferredTaxLiabilities>
   <ifrs-full:NoncurrentLeaseLiabilities contextRef="ctx9" decimals="0" id="fact1297" unitRef="vEUR">136984</ifrs-full:NoncurrentLeaseLiabilities>
   <ifrs-full:NoncurrentWarrantLiability contextRef="ctx9" decimals="0" id="fact1298" unitRef="vEUR">180726</ifrs-full:NoncurrentWarrantLiability>
   <ifrs-full:DeferredTaxLiabilities contextRef="ctx9" decimals="0" id="fact1299" unitRef="vEUR">790754</ifrs-full:DeferredTaxLiabilities>
   <ifrs-full:NoncurrentLiabilities contextRef="ctx8" decimals="0" id="fact1264" unitRef="vEUR">1111806</ifrs-full:NoncurrentLiabilities>
   <ifrs-full:NoncurrentLiabilities contextRef="ctx9" decimals="0" id="fact1300" unitRef="vEUR">1108465</ifrs-full:NoncurrentLiabilities>
   <ifrs-full:CurrentLeaseLiabilities contextRef="ctx8" decimals="0" id="fact1265" unitRef="vEUR">120255</ifrs-full:CurrentLeaseLiabilities>
   <ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties contextRef="ctx8" decimals="0" id="fact1266" unitRef="vEUR">801241</ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties>
   <ifrs-full:CurrentLeaseLiabilities contextRef="ctx9" decimals="0" id="fact1301" unitRef="vEUR">259688</ifrs-full:CurrentLeaseLiabilities>
   <ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties contextRef="ctx9" decimals="0" id="fact1302" unitRef="vEUR">787673</ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties>
   <ifrs-full:TradeAndOtherPayablesToTradeSuppliers contextRef="ctx8" decimals="0" id="fact1267" unitRef="vEUR">3745443</ifrs-full:TradeAndOtherPayablesToTradeSuppliers>
   <ifrs-full:CurrentWarrantLiability contextRef="ctx8" decimals="0" id="fact1268" unitRef="vEUR">494775</ifrs-full:CurrentWarrantLiability>
   <ifrs-full:OtherCurrentPayables contextRef="ctx8" decimals="0" id="fact1269" unitRef="vEUR">1158244</ifrs-full:OtherCurrentPayables>
   <ifrs-full:TradeAndOtherPayablesToTradeSuppliers contextRef="ctx9" decimals="0" id="fact1303" unitRef="vEUR">4469036</ifrs-full:TradeAndOtherPayablesToTradeSuppliers>
   <ifrs-full:CurrentWarrantLiability contextRef="ctx9" decimals="0" id="fact1304" unitRef="vEUR">468000</ifrs-full:CurrentWarrantLiability>
   <ifrs-full:OtherCurrentPayables contextRef="ctx9" decimals="0" id="fact1305" unitRef="vEUR">1115065</ifrs-full:OtherCurrentPayables>
   <ifrs-full:CurrentLiabilities contextRef="ctx8" decimals="0" id="fact1270" unitRef="vEUR">6319958</ifrs-full:CurrentLiabilities>
   <ifrs-full:Liabilities contextRef="ctx8" decimals="0" id="fact1271" unitRef="vEUR">7431765</ifrs-full:Liabilities>
   <ifrs-full:EquityAndLiabilities contextRef="ctx8" decimals="0" id="fact1272" unitRef="vEUR">17565724</ifrs-full:EquityAndLiabilities>
   <ifrs-full:CurrentLiabilities contextRef="ctx9" decimals="0" id="fact1306" unitRef="vEUR">7099463</ifrs-full:CurrentLiabilities>
   <ifrs-full:Liabilities contextRef="ctx9" decimals="0" id="fact1307" unitRef="vEUR">8207927</ifrs-full:Liabilities>
   <ifrs-full:EquityAndLiabilities contextRef="ctx9" decimals="0" id="fact1308" unitRef="vEUR">18290282</ifrs-full:EquityAndLiabilities>
   <ifrs-full:Equity contextRef="ctx10" decimals="0" id="fact1310" unitRef="vEUR">2144772</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx11" decimals="0" id="fact1311" unitRef="vEUR">7652108</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx12" decimals="0" id="fact1312" unitRef="vEUR">0</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx13" decimals="0" id="fact1313" unitRef="vEUR">9796880</ifrs-full:Equity>
   <ifrs-full:ProfitLoss contextRef="ctx14" decimals="0" id="fact1315" unitRef="vEUR">0</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx14" decimals="0" id="fact1316" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx14" decimals="0" id="fact1317" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:ProfitLoss contextRef="ctx15" decimals="0" id="fact1319" unitRef="vEUR">285475</ifrs-full:ProfitLoss>
   <ifrs-full:ProfitLoss contextRef="ctx16" decimals="0" id="fact1323" unitRef="vEUR">0</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx16" decimals="0" id="fact1324" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx16" decimals="0" id="fact1325" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:ProfitLoss contextRef="ctx7" decimals="0" id="fact1218" unitRef="vEUR">285475</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx15" decimals="0" id="fact1320" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx15" decimals="0" id="fact1321" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <gram:PaidDividend contextRef="ctx7" decimals="0" id="fact1221" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx7" decimals="0" id="fact1222" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx14" decimals="0" id="fact1318" unitRef="vEUR">0</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:Equity contextRef="ctx17" decimals="0" id="fact1327" unitRef="vEUR">2144772</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx20" decimals="0" id="fact1330" unitRef="vEUR">2144772</ifrs-full:Equity>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx15" decimals="0" id="fact1322" unitRef="vEUR">285475</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:Equity contextRef="ctx18" decimals="0" id="fact1328" unitRef="vEUR">7937583</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx21" decimals="0" id="fact1331" unitRef="vEUR">7937583</ifrs-full:Equity>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx16" decimals="0" id="fact1326" unitRef="vEUR">0</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:Equity contextRef="ctx19" decimals="0" id="fact1329" unitRef="vEUR">0</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx22" decimals="0" id="fact1332" unitRef="vEUR">0</ifrs-full:Equity>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx7" decimals="0" id="fact1223" unitRef="vEUR">285475</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:Equity contextRef="ctx9" decimals="0" id="fact1296" unitRef="vEUR">10082355</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx23" decimals="0" id="fact1333" unitRef="vEUR">10082355</ifrs-full:Equity>
   <ifrs-full:ProfitLoss contextRef="ctx24" decimals="0" id="fact1335" unitRef="vEUR">0</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx24" decimals="0" id="fact1336" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx24" decimals="0" id="fact1337" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:ProfitLoss contextRef="ctx25" decimals="0" id="fact1339" unitRef="vEUR">51604</ifrs-full:ProfitLoss>
   <ifrs-full:ProfitLoss contextRef="ctx26" decimals="0" id="fact1343" unitRef="vEUR">0</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx26" decimals="0" id="fact1344" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx26" decimals="0" id="fact1345" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:ProfitLoss contextRef="ctx6" decimals="0" id="fact1184" unitRef="vEUR">51604</ifrs-full:ProfitLoss>
   <gram:PaidDividend contextRef="ctx25" decimals="0" id="fact1340" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx25" decimals="0" id="fact1341" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <gram:PaidDividend contextRef="ctx6" decimals="0" id="fact1187" unitRef="vEUR">0</gram:PaidDividend>
   <ifrs-full:DividendsPaid contextRef="ctx6" decimals="0" id="fact1188" unitRef="vEUR">0</ifrs-full:DividendsPaid>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx24" decimals="0" id="fact1338" unitRef="vEUR">0</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx25" decimals="0" id="fact1342" unitRef="vEUR">51604</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx26" decimals="0" id="fact1346" unitRef="vEUR">0</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners contextRef="ctx6" decimals="0" id="fact1189" unitRef="vEUR">51604</ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners>
   <ifrs-full:Equity contextRef="ctx27" decimals="0" id="fact1347" unitRef="vEUR">2144772</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx28" decimals="0" id="fact1348" unitRef="vEUR">7989187</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx29" decimals="0" id="fact1349" unitRef="vEUR">0</ifrs-full:Equity>
   <ifrs-full:Equity contextRef="ctx8" decimals="0" id="fact1260" unitRef="vEUR">10133959</ifrs-full:Equity>
   <ifrs-full:ProfitLoss contextRef="ctx6" decimals="0" id="fact1185" unitRef="vEUR">51604</ifrs-full:ProfitLoss>
   <ifrs-full:AdjustmentsForReconcileProfitLoss contextRef="ctx6" decimals="0" id="fact1190" unitRef="vEUR">517105</ifrs-full:AdjustmentsForReconcileProfitLoss>
   <ifrs-full:IncreaseDecreaseInWorkingCapital contextRef="ctx6" decimals="0" id="fact1191" unitRef="vEUR">1763967</ifrs-full:IncreaseDecreaseInWorkingCapital>
   <ifrs-full:ProfitLoss contextRef="ctx7" decimals="0" id="fact1219" unitRef="vEUR">285475</ifrs-full:ProfitLoss>
   <ifrs-full:AdjustmentsForReconcileProfitLoss contextRef="ctx7" decimals="0" id="fact1224" unitRef="vEUR">152122</ifrs-full:AdjustmentsForReconcileProfitLoss>
   <ifrs-full:IncreaseDecreaseInWorkingCapital contextRef="ctx7" decimals="0" id="fact1225" unitRef="vEUR">1579858</ifrs-full:IncreaseDecreaseInWorkingCapital>
   <ifrs-full:CashFlowsFromUsedInOperations contextRef="ctx6" decimals="0" id="fact1192" unitRef="vEUR">-1195258</ifrs-full:CashFlowsFromUsedInOperations>
   <ifrs-full:CashFlowsFromUsedInOperations contextRef="ctx7" decimals="0" id="fact1226" unitRef="vEUR">-1142262</ifrs-full:CashFlowsFromUsedInOperations>
   <ifrs-full:InterestReceivedClassifiedAsOperatingActivities contextRef="ctx6" decimals="0" id="fact1193" unitRef="vEUR">153346</ifrs-full:InterestReceivedClassifiedAsOperatingActivities>
   <ifrs-full:InterestPaidClassifiedAsOperatingActivities contextRef="ctx6" decimals="0" id="fact1194" unitRef="vEUR">176733</ifrs-full:InterestPaidClassifiedAsOperatingActivities>
   <ifrs-full:InterestReceivedClassifiedAsOperatingActivities contextRef="ctx7" decimals="0" id="fact1227" unitRef="vEUR">110787</ifrs-full:InterestReceivedClassifiedAsOperatingActivities>
   <ifrs-full:InterestPaidClassifiedAsOperatingActivities contextRef="ctx7" decimals="0" id="fact1228" unitRef="vEUR">205433</ifrs-full:InterestPaidClassifiedAsOperatingActivities>
   <ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities contextRef="ctx6" decimals="0" id="fact1195" unitRef="vEUR">-66925</ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities>
   <ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities contextRef="ctx7" decimals="0" id="fact1229" unitRef="vEUR">355300</ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities>
   <ifrs-full:CashFlowsFromUsedInOperatingActivities contextRef="ctx6" decimals="0" id="fact1196" unitRef="vEUR">-1151720</ifrs-full:CashFlowsFromUsedInOperatingActivities>
   <ifrs-full:CashFlowsFromUsedInOperatingActivities contextRef="ctx7" decimals="0" id="fact1230" unitRef="vEUR">-1592208</ifrs-full:CashFlowsFromUsedInOperatingActivities>
   <ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities contextRef="ctx6" decimals="0" id="fact1197" unitRef="vEUR">0</ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities>
   <ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities contextRef="ctx6" decimals="0" id="fact1198" unitRef="vEUR">0</ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities>
   <ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities contextRef="ctx7" decimals="0" id="fact1231" unitRef="vEUR">0</ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities>
   <ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities contextRef="ctx7" decimals="0" id="fact1232" unitRef="vEUR">0</ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities>
   <ifrs-full:CashFlowsFromUsedInInvestingActivities contextRef="ctx6" decimals="0" id="fact1199" unitRef="vEUR">0</ifrs-full:CashFlowsFromUsedInInvestingActivities>
   <ifrs-full:CashFlowsFromUsedInInvestingActivities contextRef="ctx7" decimals="0" id="fact1233" unitRef="vEUR">0</ifrs-full:CashFlowsFromUsedInInvestingActivities>
   <ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities contextRef="ctx6" decimals="0" id="fact1200" unitRef="vEUR">271530</ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities>
   <ifrs-full:DividendsPaidClassifiedAsFinancingActivities contextRef="ctx6" decimals="0" id="fact1201" unitRef="vEUR">0</ifrs-full:DividendsPaidClassifiedAsFinancingActivities>
   <ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities contextRef="ctx7" decimals="0" id="fact1234" unitRef="vEUR">252736</ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities>
   <ifrs-full:DividendsPaidClassifiedAsFinancingActivities contextRef="ctx7" decimals="0" id="fact1235" unitRef="vEUR">0</ifrs-full:DividendsPaidClassifiedAsFinancingActivities>
   <ifrs-full:CashFlowsFromUsedInFinancingActivities contextRef="ctx6" decimals="0" id="fact1202" unitRef="vEUR">-271530</ifrs-full:CashFlowsFromUsedInFinancingActivities>
   <ifrs-full:CashFlowsFromUsedInFinancingActivities contextRef="ctx7" decimals="0" id="fact1236" unitRef="vEUR">-252736</ifrs-full:CashFlowsFromUsedInFinancingActivities>
   <ifrs-full:IncreaseDecreaseInCashAndCashEquivalents contextRef="ctx6" decimals="0" id="fact1203" unitRef="vEUR">-1423251</ifrs-full:IncreaseDecreaseInCashAndCashEquivalents>
   <ifrs-full:IncreaseDecreaseInCashAndCashEquivalents contextRef="ctx7" decimals="0" id="fact1237" unitRef="vEUR">-1844944</ifrs-full:IncreaseDecreaseInCashAndCashEquivalents>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx23" decimals="0" id="fact1334" unitRef="vEUR">2540060</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx13" decimals="0" id="fact1314" unitRef="vEUR">4385004</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx8" decimals="0" id="fact1252" unitRef="vEUR">1116810</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx9" decimals="0" id="fact1288" unitRef="vEUR">2540060</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CashOnHand contextRef="ctx8" decimals="0" id="fact1273" unitRef="vEUR">1116810</ifrs-full:CashOnHand>
   <ifrs-full:CashOnHand contextRef="ctx9" decimals="0" id="fact1309" unitRef="vEUR">2540060</ifrs-full:CashOnHand>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx8" decimals="0" id="fact1253" unitRef="vEUR">1116810</ifrs-full:CashAndCashEquivalents>
   <ifrs-full:CashAndCashEquivalents contextRef="ctx9" decimals="0" id="fact1289" unitRef="vEUR">2540060</ifrs-full:CashAndCashEquivalents>
</xbrli:xbrl>
