@prefix referencedatasetvoccreep1: <https://purls.helmholtz-metadaten.de/skosmos/rdvc/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

referencedatasetvoccreep1:DateOfSupply
  skos:broader referencedatasetvoccreep1:AsTestedMaterial ;
  skos:prefLabel "Date of supply" ;
  a skos:Concept .

referencedatasetvoccreep1:AsTestedMaterial
  skos:prefLabel "As-tested material" ;
  a skos:Concept ;
  skos:narrower referencedatasetvoccreep1:DateOfSupply .