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

<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/INSP0011963> .

<http://www.irandoc.acir/onto/irandoc/INSP0011962>
  skos:prefLabel "لامپ سه‌قطبی"@fa, "triode"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011963> .

<http://www.irandoc.acir/onto/irandoc/INSP0011959>
  skos:prefLabel "لامپ گرمایونی"@fa, "thermionic tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011963> .

<http://www.irandoc.acir/onto/irandoc/INSP0012638>
  skos:prefLabel "دیود"@fa, "diode"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011963> .

<http://www.irandoc.acir/onto/irandoc/INSP0011963>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0011962>, <http://www.irandoc.acir/onto/irandoc/INSP0011961> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011964> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011959>, <http://www.irandoc.acir/onto/irandoc/INSP0012638>, <http://www.irandoc.acir/onto/irandoc/INSP000395> ;
  skos:prefLabel "vacuum tube"@en, "لامپ خلاء"@fa .

<http://www.irandoc.acir/onto/irandoc/INSP000395>
  skos:prefLabel "ریزالکترونیک خلاء"@fa, "vacuum microelectronics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011963> .

<http://www.irandoc.acir/onto/irandoc/INSP0011961>
  skos:prefLabel "لامپ چارقطبی"@fa, "tetrode"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011963> .