• http://ja.wcontology.org/resource/Category:劣化 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://ja.dbpedia.org/resource/Category:劣化
    • http://en.wcontology.org/resource/Category:Materials_degradation
  • 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:材料工学
    • http://ja.wcontology.org/resource/Category:品質
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:劣化?oldid=16216388
• http://ja.wcontology.org/resource/Category:材料の疲労 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:劣化
• http://ja.wcontology.org/resource/Category:腐食 ( describe )
  • http://wcontology.org/core#narrower ( describe )
    • http://ja.wcontology.org/resource/Category:劣化