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Download or read book General Information on the Third Edition of the International Patent Classification written by World Intellectual Property Organization and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book International Patent Classification 1979 third Edition written by and published by . This book was released on 1980 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book International Patent Classification IPC written by World Intellectual Property Organization and published by WIPO. This book was released on 2022-01-20 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: An effective and easy-to-use system to classify and search patent documents.
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Download or read book General Information on the Sixth Edition of the International Patent Classification Text in Chinese written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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