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

<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/insp0011964>
  skos:prefLabel "Electron tube"@en, "لامپ الکترونی"@fa ;
  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/insp0011399>
  skos:prefLabel "Thermionic emission"@en, "گسیل گرمایونی"@fa ;
  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/insp0012014>
  skos:prefLabel "Thermionic cathode"@en, "کاتد گرمایونی"@fa ;
  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 "Cathode-ray tube"@en, "لامپ پرتوکاتدی"@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/insp0011939>
  skos:prefLabel "Electron wave tube"@en, "لامپ موج الکترونی"@fa ;
  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:altLabel "thermionic valve"@en, "دریچه گرمایونی"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0011943>, <http://www.irandoc.acir/onto/irandoc/insp0011956>, <http://www.irandoc.acir/onto/irandoc/insp000032> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011939>, <http://www.irandoc.acir/onto/irandoc/insp0012014>, <http://www.irandoc.acir/onto/irandoc/insp0011399>, <http://www.irandoc.acir/onto/irandoc/insp0011963> ;
  skos:prefLabel "Thermionic tube"@en, "لامپ گرمایونی"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  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 "Vacuum tube"@en, "لامپ خلاء"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0011959> .