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

<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/256565000> .

<http://rdf-vocabulary.ddialliance.org/xkos#Is_a> rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/256565000>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/255922001> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/256567008>, <http://www.irandoc.acir/onto/irandoc/256566004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/255922001> ;
  skos:prefLabel "عامل اچینگ دندان"@fa, "Dental etching agent"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/256566004>
  skos:prefLabel "ژل اچینگ دندان"@fa, "Dental etching gel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256565000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256565000> .

<http://www.irandoc.acir/onto/irandoc/256567008>
  skos:prefLabel "محلول اچینگ دندان"@fa, "Dental etching solution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/256565000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/256565000> .