@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/INSP0011959> .

<http://www.irandoc.acir/onto/irandoc/INSP000032>
  skos:prefLabel "X-ray tube"@en, "لامپ پرتو ایکس"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011959> .

<http://www.irandoc.acir/onto/irandoc/INSP0012014>
  skos:prefLabel "کاتد گرمایونی"@fa, "thermionic cathode"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011959> .

<http://www.irandoc.acir/onto/irandoc/INSP0011956>
  skos:prefLabel "لامپ پرتوکاتدی"@fa, "cathode-ray tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011959> .

<http://www.irandoc.acir/onto/irandoc/INSP0011939>
  skos:prefLabel "لامپ موج الکترونی"@fa, "electron wave tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011959> .

<http://www.irandoc.acir/onto/irandoc/INSP0011959>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0011943>, <http://www.irandoc.acir/onto/irandoc/INSP000032>, <http://www.irandoc.acir/onto/irandoc/INSP0011956> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011963>, <http://www.irandoc.acir/onto/irandoc/INSP0012014>, <http://www.irandoc.acir/onto/irandoc/INSP0011399>, <http://www.irandoc.acir/onto/irandoc/INSP0011939> ;
  skos:altLabel "دریچه گرمایونی"@fa, "thermionic valve"@en ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "لامپ گرمایونی"@fa, "thermionic tube"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011964> .

<http://www.irandoc.acir/onto/irandoc/INSP0011943>
  skos:prefLabel "thyratron"@en, "تیراترون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011959> .

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

<http://www.irandoc.acir/onto/irandoc/INSP0011399>
  skos:prefLabel "گسیل گرمایونی"@fa, "thermionic emission"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0011959> .