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Official catchword index to the fifth edition (1989) of the International patent classification / World Intellectual Property Organization.

Official catchword index to the fifth edition (1989) of the International patent classification / World Intellectual Property Organization.
紙図書
C. Heymannc1989.<M2-A85>
国立国会図書館
  • 件名特許∥分類. 索引. Patents -- Classification -- Indexes.

Official catchword index to the seventh edition (1999) of the international patent classification

Official catchword index to the seventh edition (1999) of the international patent classification
紙図書
World Intellectual Property OrganizationWIPO1999
全国の図書館
  • 件名Patents -- Classification -- Indexes
  • 件名（識別子）Patents -- Classification -- Indexes

Official catchword index to the fifth edition (1989) of the International patent classification

Official catchword index to the fifth edition (1989) of the International patent classification
紙図書
World Intellectual Property OrganizationC. Heymannc1989
全国の図書館
  • 件名Patents -- Classification -- Indexes
  • 件名（識別子）Patents -- Classification -- Indexes

Official catchword index to the International Classification of Patent.

Official catchword index to the International Classification of Patent.
紙図書
Morgan-Grampian Books1969.<M351-12>
国立国会図書館
  • 件名Patents -- Classification -- Indexes. Patents (International law)

Official catchword index to the fourth edition (1979) of the International patent classification

Official catchword index to the fourth edition (1979) of the International patent classification
紙図書
World Intellectual Property OrganizationC. Heymannc1979
全国の図書館
  • 件名Patents -- Classification -- Indexes
  • 件名（識別子）Patents -- Classification -- Indexes

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