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

<http://www.irandoc.acir/onto/irandoc/INSP0011936>
  skos:altLabel "BWT"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0011935>, <http://www.irandoc.acir/onto/irandoc/INSP0005604> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011938> ;
  skos:prefLabel "لامپ موج پس‌سو"@fa, "backward wave tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0005604>
  skos:prefLabel "نوسانگر موج پس‌سو"@fa, "backward wave oscillator"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011936> .

<http://www.irandoc.acir/onto/irandoc/INSP0011935>
  skos:prefLabel "کرسینوترون"@fa, "carcinotron"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0011936> .

<http://www.irandoc.acir/onto/irandoc/INSP0011938>
  skos:prefLabel "لامپ موج رونده"@fa, "travelling wave tube"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0011936> .