@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix ns0: <http://www.geonames.org/ontology#> .
@prefix schema: <http://schema.org/> .

<https://pm20.zbw.eu/category/ware/i/148420>
  skos:notation "PRB02" ;
  rdfs:label "Mining Products"@en, "Bergbauprodukte"@de ;
  skos:prefLabel "Mining Products"@en, "Bergbauprodukte"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/ware/i/143051> .

zbwext:notationLong
  rdfs:subPropertyOf skos:notation ;
  skos:definition """EXPERIMENTAL: Notation with
    blanks and leading zeros for sortability."""@en ;
  rdfs:label "NotationLong"@en .

<https://pm20.zbw.eu/category/ware> a skos:ConceptScheme .
<https://pm20.zbw.eu/category/ware/i/143051>
  owl:sameAs <http://purl.org/pressemappe20/category/ware/i/143051> ;
  skos:prefLabel "Kali"@en, "Kali"@de ;
  zbwext:notationLong "PRB02.08-01" ;
  dc:identifier "143051" ;
  skos:exactMatch wd:Q10564271 ;
  ns0:wikipediaArticle <https://en.wikipedia.org/wiki/Potash>, <https://de.wikipedia.org/wiki/Kalisalz> ;
  skos:notation "PRB02.08-01" ;
  rdfs:label "Kali"@de, "Kali"@en ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/148420> ;
  a skos:Concept ;
  skos:inScheme <https://pm20.zbw.eu/category/ware> ;
  schema:subjectOf <https://pm20.zbw.eu/category/ware/i/143051/about> .