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

<http://www.irandoc.acir/onto/irandoc/NEMA0006334>
  skos:prefLabel "رزین‌های پلی‌اورتان"@fa, "polyurethane resins"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006333> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008371>
  skos:prefLabel "استرها (شیمی)"@fa, "esters"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006333> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006333>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006334>, <http://www.irandoc.acir/onto/irandoc/NEMA0008371> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0006342> ;
  skos:prefLabel "رزین‌های پلی‌استر"@fa, "polyester resins"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0006342>
  skos:prefLabel "پلاستیک‌ها"@fa, "plastics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0006333> .