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

<http://www.irandoc.acir/onto/irandoc/INSP0004843>
  skos:prefLabel "لامپ فوتونی"@fa, "phototube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011930> .

<http://www.irandoc.acir/onto/irandoc/INSP0004166>
  skos:prefLabel "ستون مثبت"@fa, "positive column"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011930> .

<http://www.irandoc.acir/onto/irandoc/INSP0011964>
  skos:prefLabel "لامپ الکترونی"@fa, "electron tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0011930> .

<http://www.irandoc.acir/onto/irandoc/INSP0011930>
  skos:altLabel "dekatrons"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0004843> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0004166> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011964> ;
  skos:prefLabel "لامپ کاتد-سرد"@fa, "cold-cathode tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .