@prefix lcsh: <http://www.yso.fi/onto/lcsh/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

lcsh:sh85108610
  skos:prefLabel "Public address systems"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85067211 .

lcsh:sh85125368
  skos:prefLabel "Sound--Recording and reproducing"@en ;
  a skos:Concept .

lcsh:sh85133301
  skos:prefLabel "Telecommunication systems"@en ;
  a skos:Concept .

lcsh:sh85042091
  skos:notation "TK5981-TK5990" ;
  skos:prefLabel "Electro-acoustics"@en ;
  a skos:Concept .

lcsh:sh85084955 skos:broader lcsh:sh85067211 .
lcsh:sh85042254
  skos:notation "TK7869-TK7872" ;
  skos:prefLabel "Electronic apparatus and appliances"@en ;
  a skos:Concept .

lcsh:sh85067211
  skos:member lcsh:collection_LCSH_General, lcsh:collection_LCSHAuthorizedHeadings ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  skos:closeMatch <http://data.bnf.fr/ark:/12148/cb11958239d> ;
  skos:altLabel "Interoffice communication systems"@en, "Intercoms"@en ;
  skos:broader lcsh:sh85133301, lcsh:sh85042254, lcsh:sh85042373, lcsh:sh85042091, lcsh:sh85125368 ;
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime ;
  a skos:Concept ;
  skos:related lcsh:sh85108610 ;
  skos:prefLabel "Intercommunication systems"@en .

lcsh:sh85027136 skos:broader lcsh:sh85067211 .
<http://data.bnf.fr/ark:/12148/cb11958239d> skos:closeMatch lcsh:sh85067211 .
lcsh:sh85042373
  skos:notation "TK7870" ;
  skos:prefLabel "Electronic systems"@en ;
  a skos:Concept .

<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .