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Guide to the International Patent Classification (2019)

World Intellectual Property Organization

出版	WIPO, 2019-08-30
主題	Law / Intellectual Property / Patent
URL	http://books.google.com.hk/books?id=PFjSDwAAQBAJ&hl=&source=gbs_api
EBook	SAMPLE

註釋

This Guide provides information on the objectives, history and reform of the International Patent Classification (IPC) as well as assistance in the use of the IPC.