<?xml version="1.0" encoding="UTF-8"?>

<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd http://xbrl.org/2008/label http://www.xbrl.org/2008/generic-label.xsd" xmlns:gen="http://xbrl.org/2008/generic" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:label="http://xbrl.org/2008/label">
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/label" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#standard-label"/>
  <link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/arcrole/2008/element-label" xlink:type="simple" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#element-label"/>
  <gen:link xlink:type="extended" xlink:role="http://www.xbrl.org/2008/role/link">
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_AnnualReportFilingInformation" xlink:label="kvk_AnnualReportFilingInformation_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_AnnualReportFilingInformation_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_AnnualReportFilingInformation_label_de">Informationen über die Einreichung des Jahresberichts</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_AnnualReportFilingInformation_loc" xlink:to="kvk_AnnualReportFilingInformation_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_ExtensibleEnumerationsDomainMembers" xlink:label="kvk_ExtensibleEnumerationsDomainMembers_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_ExtensibleEnumerationsDomainMembers_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_ExtensibleEnumerationsDomainMembers_label_de">Extensible enumerations Domänenmitglieder</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_ExtensibleEnumerationsDomainMembers_loc" xlink:to="kvk_ExtensibleEnumerationsDomainMembers_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_AxisDefaults" xlink:label="kvk_AxisDefaults_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_AxisDefaults_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_AxisDefaults_label_de">Axis - Ausfälle</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_AxisDefaults_loc" xlink:to="kvk_AxisDefaults_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsConsolidatedFinancialStatementsNLGAAP" xlink:label="kvk_LineItemsConsolidatedFinancialStatementsNLGAAP_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsConsolidatedFinancialStatementsNLGAAP_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsConsolidatedFinancialStatementsNLGAAP_label_de">Posten des Konzernabschlusses auf der Grundlage von NL-GAAP</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsConsolidatedFinancialStatementsNLGAAP_loc" xlink:to="kvk_LineItemsConsolidatedFinancialStatementsNLGAAP_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsConsolidatedFinancialStatementsIFRS" xlink:label="kvk_LineItemsConsolidatedFinancialStatementsIFRS_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsConsolidatedFinancialStatementsIFRS_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsConsolidatedFinancialStatementsIFRS_label_de">Posten des Konzernabschlusses auf der Grundlage von IFRS</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsConsolidatedFinancialStatementsIFRS_loc" xlink:to="kvk_LineItemsConsolidatedFinancialStatementsIFRS_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsSeparateFinancialStatementsNLGAAP" xlink:label="kvk_LineItemsSeparateFinancialStatementsNLGAAP_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsSeparateFinancialStatementsNLGAAP_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsSeparateFinancialStatementsNLGAAP_label_de">Posten des Jahresabschlusses der Gesellschaft auf der Grundlage von NL-GAAP</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsSeparateFinancialStatementsNLGAAP_loc" xlink:to="kvk_LineItemsSeparateFinancialStatementsNLGAAP_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsSeparateFinancialStatementsIFRS" xlink:label="kvk_LineItemsSeparateFinancialStatementsIFRS_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsSeparateFinancialStatementsIFRS_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsSeparateFinancialStatementsIFRS_label_de">Posten des Jahresabschlusses der Gesellschaft auf der Grundlage von IFRS</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsSeparateFinancialStatementsIFRS_loc" xlink:to="kvk_LineItemsSeparateFinancialStatementsIFRS_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsNonDimensionalUsage" xlink:label="kvk_LineItemsNonDimensionalUsage_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsNonDimensionalUsage_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsNonDimensionalUsage_label_de">Posten, die nichtdimensional verwendet werden können (die Verwendung von Dimensionen wird verhindert)</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsNonDimensionalUsage_loc" xlink:to="kvk_LineItemsNonDimensionalUsage_label_de"/>
    <link:loc xlink:type="locator" xlink:href="kvk-cor.xsd#kvk_LineItemsDimensionalUsage" xlink:label="kvk_LineItemsDimensionalUsage_loc"/>
    <label:label xlink:type="resource" xlink:label="kvk_LineItemsDimensionalUsage_label_de" xlink:role="http://www.xbrl.org/2008/role/label" xml:lang="de" id="kvk_LineItemsDimensionalUsage_label_de">Posten, die dimensional verwendet werden können, wenn der Ersteller dies ausdrücklich erlaubt (Standardverwendung wird verhindert)</label:label>
    <gen:arc xlink:type="arc" xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="kvk_LineItemsDimensionalUsage_loc" xlink:to="kvk_LineItemsDimensionalUsage_label_de"/>
  </gen:link>
</link:linkbase>
