Development and use of patent classification systems.
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Author
Publication
1966 - For sale by the Superintendent of Documents, U.S. Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
50,500 words, Guess
Page Count
202 pages
Identifiers
- Library of Congress Control Number65062235
- OCLC Control Number794487
- Open LibraryOL5965377M
Classifications
- LCCT223 .F4 1966
Subjects
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