International patent classification.
4th ed.
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Contributions
- World Intellectual Property Organization. - Contributor
Publication
1984 - World Intellectual Property Organization, Geneva, Switzerland, Switzerland
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Identifiers
- ISBN-103452194132
- ISBN-139783452194138
- Library of Congress Control Number85189769
- Open LibraryOL2622438M
Classifications
- DDC608
- LCCT255.F4 I57 1984
Subjects
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