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

<http://www.irandoc.acir/onto/irandoc/insp0010519>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0010524> ;
  skos:prefLabel "Liquid helium 3-4 mixture"@en, "مخلوط هلیم مایع 4-3"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0010524>
  skos:prefLabel "Liquid helium"@en, "هلیم مایع"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0010519> .