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

<http://www.irandoc.acir/onto/irandoc/INSP0003556>
  skos:altLabel "PSG"@en ;
  skos:scopeNote "PSG"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0003557> ;
  skos:prefLabel "شیشه فسفوسیلیکاتی"@fa, "phosphosilicate glasses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0003557>
  skos:prefLabel "شیشه فسفاتی"@fa, "phosphate glasses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0003556> .