@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004032>
  skos:prefLabel "تجهیزات نوری"@fa, "optical equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004025> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004013>
  skos:prefLabel "تجهیزات عکاسی"@fa, "photographic equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004025> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004025>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004013>, <http://www.irandoc.acir/onto/irandoc/NEMA0004032> ;
  skos:prefLabel "دوربین‌ها"@fa, "cameras"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .