Index to patent classification of the German Federal Republic (Stichwörterverzeichnis)
an alphabetical index by key-words of subject matter pertaining to useful arts with the relevant patent classes, subclasses, groups, and subgroups.
5th ed. [translated and edited by IPST staff]
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Author
Publication
1966 - Israel Program for Scientific Translations; [available from the U.S. Dept. of Commerce, Clearinghouse for Scientific and Technical Information, Springfield, Va.], Jerusalem, Israel
Language
English
Word Count
113,250 words, Guess
Page Count
453 pages
Identifiers
- Library of Congress Control Number68061600
- Open LibraryOL5634597M
Classifications
- DDC608.7/01/2
- LCCT273.F6 A553 1966
Subjects
Topics
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