@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/256505003>
  skos:prefLabel "نیکل کروم"@fa, "Nickel chromium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256507006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256507006> .

<http://www.irandoc.acir/onto/irandoc/256506002>
  skos:prefLabel "جنس فولاد ضد زنگ"@fa, "Stainless steel material"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256507006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256507006> .

<http://www.irandoc.acir/onto/irandoc/256507006>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/256506002>, <http://www.irandoc.acir/onto/irandoc/256505003>, <http://www.irandoc.acir/onto/irandoc/256504004>, <http://www.irandoc.acir/onto/irandoc/256508001> ;
  skos:prefLabel "مواد پل تاج موقت"@fa, "Temporary crown bridge material"@en ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/255922001> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/255922001> .

<http://www.irandoc.acir/onto/irandoc/255922001>
  skos:prefLabel "مواد دندانپزشکی"@fa, "Dental material"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/256507006> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/256508001>
  skos:prefLabel "رزین اپیمین"@fa, "Epimine resin"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256507006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256507006> .

<http://www.irandoc.acir/onto/irandoc/256504004>
  skos:prefLabel "مواد دندانپزشکی پلی کربنات"@fa, "Polycarbonate dental material"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256507006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256507006> .