@prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/concept/530010187> skos:prefLabel "polybutylene (pp)"@nl . <https://stad.gent/id/concept/530010185/2023-03-01T02:47:27.755Z> skos:narrower <https://stad.gent/id/concept/530010187> . <https://stad.gent/id/concept/530010187/2023-03-01T02:47:37.759Z> <http://purl.org/dc/terms/isVersionOf> <https://stad.gent/id/concept/530010187> .