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

<http://www.irandoc.acir/onto/irandoc/NEMA0008539>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008536>, <http://www.irandoc.acir/onto/irandoc/NEMA0002607> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008542> ;
  skos:prefLabel "propane"@en, "پروپان"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008542>
  skos:prefLabel "هیدروکربن‌های آلیفاتیک"@fa, "aliphatic hydrocarbons"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008539> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008536>
  skos:prefLabel "آلکان‌های حلقه‌ای"@fa, "cycloalkanes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008539> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002607>
  skos:prefLabel "سوخت‌های گازی شکل"@fa, "gaseous fuels"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008539> .