@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/18281003> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/50121007> .
<http://www.irandoc.acir/onto/irandoc/50121007>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/257192006> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/264378001>, <http://www.irandoc.acir/onto/irandoc/397283008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/257192006> ;
  skos:prefLabel "عینک چشم"@fa, "Eye glasses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/91301001> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/50121007> .
<http://www.irandoc.acir/onto/irandoc/448902008> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/50121007> .
ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/30252008> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/50121007> .
<http://www.irandoc.acir/onto/irandoc/397283008>
  skos:prefLabel "عینک چند کانونی (شیء فیزیکی)"@fa, "Multifocal glasses (physical object)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/50121007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/50121007> .

<http://www.irandoc.acir/onto/irandoc/264378001>
  skos:prefLabel "تلسکوپ عینکی"@fa, "Spectacle telescope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/50121007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/50121007> .

<http://www.irandoc.acir/onto/irandoc/257192006>
  skos:prefLabel "کمک به بینایی"@fa, "Aid to vision"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/50121007> .

<http://www.irandoc.acir/onto/irandoc/19279009> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/50121007> .