• http://ja.wcontology.org/resource/Category:石油技術 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://ja.dbpedia.org/resource/Category:石油技術
    • http://en.wcontology.org/resource/Category:Petroleum_technology
  • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
    • http://wcontology.org/core#topicCategory
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:石油
    • http://ja.wcontology.org/resource/Category:エネルギー技術
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:石油技術?oldid=56600555
• http://ja.wcontology.org/resource/Category:石油プラットフォーム ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:石油技術
• http://ja.wcontology.org/resource/Category:石油精製 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:石油技術