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

<http://www.irandoc.acir/onto/irandoc/insp0001618>
  skos:prefLabel "Electronic switching system"@en, "سامانه سودهی الکترونیکی"@fa ;
  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/insp0001217>
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0014748>, <http://www.irandoc.acir/onto/irandoc/insp0001618>, <http://www.irandoc.acir/onto/irandoc/insp0001366> ;
  skos:prefLabel "تبادل مخابراتی"@fa, "Telecommunication exchange"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0001260> ;
  skos:altLabel "isdn exchange"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0001367> .

<http://www.irandoc.acir/onto/irandoc/insp0001260>
  skos:prefLabel "Telecommunication equipment"@en, "تجهیزات مخابراتی"@fa ;
  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 "Private telephone exchange"@en, "تبادل تلفن خصوصی"@fa ;
  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 "Telephone exchange"@en, "مرکز تلفن"@fa ;
  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 "Telecommunication control"@en, "کنترل مخابراتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0001217> .