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

<http://www.irandoc.acir/onto/irandoc/NEMA0004100>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004103> ;
  skos:prefLabel "تفکیک الکترونی"@fa, "electron gun"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004103>
  skos:prefLabel "لامپ‌های الکترونی"@fa, "electron tubes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004100> .