Database that can be used free of charge : Patent information chapter(<Special Feature>Free database)

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  • 特許情報編(<特集>無料で利用できるデータベース)
  • 特許情報編
  • トッキョ ジョウホウヘン

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Abstract

It explains a useful patent information database in European Patent Office and United States Patent Office and World Intellectual Property Organization. It introduces "DB_KOKAISHI" to make the manual concerning those data bases.

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