@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:sh90001809 skos:broader lcsh:sh85042432 .
lcsh:sh85095150
  skos:notation "QC370.5-QC379", "TS510-TS518" ;
  skos:prefLabel "Optical instruments"@en ;
  a skos:Concept .

<http://d-nb.info/gnd/4199294-5> skos:closeMatch lcsh:sh85042432 .
<http://data.bnf.fr/ark:/12148/cb12280371s> skos:closeMatch lcsh:sh85042432 .
lcsh:sh85041575
  skos:notation "TK", "QC543-QC544", "RM889" ;
  skos:prefLabel "Electric apparatus and appliances"@en ;
  a skos:Concept .

lcsh:sh85042432
  skos:notation "TA1750" ;
  dc:modified "1997-11-21T09:11:39"^^xsd:dateTime ;
  skos:member lcsh:collection_LCSH_General, lcsh:collection_SubdivideGeographicalIndirect, lcsh:collection_LCSHAuthorizedHeadings ;
  a skos:Concept ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  skos:broader lcsh:sh85095150, lcsh:sh85041575 ;
  skos:closeMatch <http://d-nb.info/gnd/4199294-5>, <http://data.bnf.fr/ark:/12148/cb12280371s> ;
  skos:prefLabel "Electrooptical devices"@en ;
  skos:related lcsh:sh85095200, lcsh:sh85067129 ;
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime .

lcsh:sh85067129
  skos:notation "TA1660" ;
  skos:prefLabel "Integrated optics"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85042432 .

<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85095200
  skos:notation "TK8300-TK8360", "TJ223.P5" ;
  skos:prefLabel "Optoelectronic devices"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85042432 .