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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.
Paper図書
C. Heymannc1989.<M2-A85>
National Diet Library
  • Subject Heading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
Paper図書
World Intellectual Property OrganizationWIPO1999
Other Libraries in Japan

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
Paper図書
World Intellectual Property OrganizationC. Heymannc1989
Other Libraries in Japan

Official catchword index to the International Classification of Patent.

Official catchword index to the International Classification of Patent.
Paper図書
Morgan-Grampian Books1969.<M351-12>
National Diet Library
  • Subject HeadingPatents -- 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
Paper図書
World Intellectual Property OrganizationC. Heymannc1979
Other Libraries in Japan

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