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

<https://pm20.zbw.eu/category/ware/i/142477>
  skos:notation "PID13-Ae09" ;
  rdfs:label "Fluorine"@en, "Fluor"@de ;
  skos:prefLabel "Fluorine"@en, "Fluor"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/142227>
  skos:notation "PID13-Ae14" ;
  rdfs:label "Chlorine"@en, "Chlor"@de ;
  skos:prefLabel "Chlorine"@en, "Chlor"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/143912>
  skos:notation "PID13-Ae02" ;
  rdfs:label "Nitrogen"@en, "Stickstoff"@de ;
  skos:prefLabel "Nitrogen"@en, "Stickstoff"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/144025>
  skos:notation "PID13-Ae05" ;
  rdfs:label "Hydrogen"@en, "Wasserstoff"@de ;
  skos:prefLabel "Hydrogen"@en, "Wasserstoff"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/142479>
  skos:notation "PID13-Ae07" ;
  rdfs:label "Formaldehyde"@en, "Formaldehyd"@de ;
  skos:prefLabel "Formaldehyde"@en, "Formaldehyd"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware> a skos:ConceptScheme .
<https://pm20.zbw.eu/category/ware/i/143517>
  skos:notation "PID13-Ae08" ;
  rdfs:label "Liquid air"@en, "Luft, flüssige"@de ;
  skos:prefLabel "Liquid air"@en, "Luft, flüssige"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/143826>
  skos:notation "PID13-Ae01" ;
  rdfs:label "Oxygen"@en, "Sauerstoff"@de ;
  skos:prefLabel "Oxygen"@en, "Sauerstoff"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/142759>
  skos:narrower <https://pm20.zbw.eu/category/ware/i/142479>, <https://pm20.zbw.eu/category/ware/i/142477>, <https://pm20.zbw.eu/category/ware/i/142944>, <https://pm20.zbw.eu/category/ware/i/143826>, <https://pm20.zbw.eu/category/ware/i/143738>, <https://pm20.zbw.eu/category/ware/i/143517>, <https://pm20.zbw.eu/category/ware/i/144025>, <https://pm20.zbw.eu/category/ware/i/143912>, <https://pm20.zbw.eu/category/ware/i/142227> ;
  ns0:wikipediaArticle <https://de.wikipedia.org/wiki/Stadtgas>, <https://en.wikipedia.org/wiki/Coal_gas> ;
  owl:sameAs <http://purl.org/pressemappe20/category/ware/i/142759> ;
  skos:exactMatch wd:Q842311 ;
  skos:notation "PID13-Ae" ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/148617> ;
  a skos:Concept ;
  skos:prefLabel "Gas"@de, "Gas"@en ;
  zbwext:notationLong "35.21-02" ;
  rdfs:label "Gas"@de, "Gas"@en ;
  schema:subjectOf <https://pm20.zbw.eu/category/ware/i/142759/about> ;
  dc:identifier "142759" ;
  skos:inScheme <https://pm20.zbw.eu/category/ware> .

<https://pm20.zbw.eu/category/ware/i/148617>
  skos:notation "PID13" ;
  rdfs:label "Drugs and chemicals"@en, "Drogen und Chemikalien"@de ;
  skos:prefLabel "Drugs and chemicals"@en, "Drogen und Chemikalien"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/ware/i/142759> .

<https://pm20.zbw.eu/category/ware/i/143738>
  skos:notation "PID13-Ae04" ;
  rdfs:label "Phosgene"@en, "Phosgen"@de ;
  skos:prefLabel "Phosgene"@en, "Phosgen"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .

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/i/142944>
  skos:notation "PID13-Ae06" ;
  rdfs:label "Helium"@en, "Helium"@de ;
  skos:prefLabel "Helium"@en, "Helium"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/ware/i/142759> .