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

<http://www.irandoc.acir/onto/irandoc/INSP0001217>
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0001260> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0014748>, <http://www.irandoc.acir/onto/irandoc/INSP0001366>, <http://www.irandoc.acir/onto/irandoc/INSP0001618> ;
  skos:prefLabel "telecommunication exchange"@en, "تبادل مخابراتی"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0001367> ;
  skos:altLabel "ISDN exchange"@en .

<http://www.irandoc.acir/onto/irandoc/INSP0001260>
  skos:prefLabel "تجهیزات مخابراتی"@fa, "telecommunication equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0001217> .

<http://www.irandoc.acir/onto/irandoc/INSP0001366>
  skos:prefLabel "تبادل تلفن خصوصی"@fa, "private telephone exchange"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001217> .

<http://www.irandoc.acir/onto/irandoc/INSP0001367>
  skos:prefLabel "مرکز تلفن"@fa, "telephone exchange"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0001217> .

<http://www.irandoc.acir/onto/irandoc/INSP0014748>
  skos:prefLabel "کنترل مخابراتی"@fa, "telecommunication control"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001217> .

<http://www.irandoc.acir/onto/irandoc/INSP0001618>
  skos:prefLabel "سامانه سودهی الکترونیکی"@fa, "electronic switching system"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0001217> .