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

<http://www.irandoc.acir/onto/irandoc/NEMA0003593>
  skos:prefLabel "سیستم‌های تلگراف"@fa, "telegraph systems"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0003592> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003592>
  skos:altLabel "TELEX"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007750> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0003593> ;
  skos:prefLabel "سیستم‌های ماشین‌تحریرهای دوربرد"@fa, "teletypewriter systems"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0007750>
  skos:prefLabel "تجهیزات ماشین‌تحریر دوربرد"@fa, "teletypewriter equipment"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0003592> .