<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  This file is part of the Dutch Taxonomy (Nederlandse Taxonomie; NT)
  Intellectual Property of the State of the Netherlands
  Architecture: NT13
  Version: 20181212.a
  Release date: Wed Oct 17 09:00:00 2018
-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
  <link:roleRef roleURI="urn:cbs:linkrole:ps-is-operational-expenses-maintenance-other-tangible-fixed-assets-exploitation-machine-costs" xlink:href="../dictionary/cbs-linkroles.xsd#cbs-lr_PsIsOperationalExpensesMaintenanceOtherTangibleFixedAssetsExploitationMachineCosts" xlink:type="simple"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
  <link:definitionLink xlink:role="urn:cbs:linkrole:ps-is-operational-expenses-maintenance-other-tangible-fixed-assets-exploitation-machine-costs" xlink:type="extended">
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsAssurancePremiumsMachinesInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizationReserveMaintenanceInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizatonReserveMaintenanceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationExcessRiskReserveAssuranceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCostsRecharged_loc" xlink:type="arc"/>
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsFuelForMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsHiringInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsHiringMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachinesInstallations_loc" xlink:type="arc"/>
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherExploitationAndMachineCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherInventoryCost_loc" xlink:type="arc"/>
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherMachineCosts_loc" xlink:type="arc"/>
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherTaxesExploitationAndMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServices_loc" xlink:type="arc"/>
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesDomesticSuppliers_loc" xlink:type="arc"/>
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesForeignSuppliers_loc" xlink:type="arc"/>
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkMaintenance_loc" xlink:type="arc"/>
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkOther_loc" xlink:type="arc"/>
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsPackingMaterials_loc" xlink:type="arc"/>
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="30" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseExcessRiskReserveAssuranceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="31" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="32" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="33" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesInventory_loc" xlink:type="arc"/>
    <link:definitionArc order="34" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesMachines_loc" xlink:type="arc"/>
    <link:definitionArc order="35" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="sbr-dim_ValidationLineItems_loc" xlink:to="cbs-i_MaintenanceOtherTangibleFixedAssetsToolCosts_loc" xlink:type="arc"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsAssurancePremiumsMachinesInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsAssurancePremiumsMachinesInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizationReserveMaintenanceInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizationReserveMaintenanceInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizatonReserveMaintenanceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationCostEgalizatonReserveMaintenanceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsDonationExcessRiskReserveAssuranceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationExcessRiskReserveAssuranceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsDonationProvisionMaintenanceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCostsRecharged" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCostsRecharged_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCosts" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsExploitationMachineCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsFuelForMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsFuelForMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsHiringInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsHiringInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsHiringMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsHiringMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachinesInstallations" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachinesInstallations_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsMaintenanceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOperationalLeasingMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOtherExploitationAndMachineCosts" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherExploitationAndMachineCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOtherInventoryCost" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherInventoryCost_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOtherMachineCosts" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherMachineCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOtherTaxesExploitationAndMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOtherTaxesExploitationAndMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesDomesticSuppliers" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesDomesticSuppliers_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesForeignSuppliers" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServicesForeignSuppliers_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServices" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkIndustrialWageServices_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkMaintenance" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkMaintenance_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkOther" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsOutsourcedWorkOther_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsPackingMaterials" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsPackingMaterials_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseCostEgalizationReserveMaintenanceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseExcessRiskReserveAssuranceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseExcessRiskReserveAssuranceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsReleaseProvisionMaintenanceMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesInventory" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesInventory_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesMachines" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsSmallPurchasesMachines_loc" xlink:type="locator"/>
    <link:loc xlink:href="../dictionary/cbs-data.xsd#cbs-i_MaintenanceOtherTangibleFixedAssetsToolCosts" xlink:label="cbs-i_MaintenanceOtherTangibleFixedAssetsToolCosts_loc" xlink:type="locator"/>
    <link:loc xlink:href="http://www.nltaxonomie.nl/2013/xbrl/sbr-dimensional-concepts.xsd#sbr-dim_ValidationLineItems" xlink:label="sbr-dim_ValidationLineItems_loc" xlink:type="locator"/>
  </link:definitionLink>
</link:linkbase>
