@prefix skos: . a skos:ConceptScheme ; skos:definition "

Set dcterms:description or skos:definition to describe this vocabulary

" ; skos:inScheme , , , , , ; skos:prefLabel "PipelineML - casingspecification" . skos:prefLabel "No Data" . skos:prefLabel "API-5L" . skos:prefLabel "API-5LS" . skos:prefLabel "ASTM A-106" . skos:prefLabel "ASTM A-135" . skos:prefLabel "ASTM A-53" .