@prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/concept/530010216> skos:prefLabel "unplasticized poly(vinyl chloride) (pp)"@nl . <https://stad.gent/id/concept/530010213/2023-03-01T02:49:49.029Z> skos:narrower <https://stad.gent/id/concept/530010216> . <https://stad.gent/id/concept/530010216/2023-03-01T02:50:04.034Z> <http://purl.org/dc/terms/isVersionOf> <https://stad.gent/id/concept/530010216> .