Patents & inventions
an information aid for inventors.
Rev. ed.
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Author
Publication
1964 - For sale by the Superintendent of Documents, U. S. Govt. Print. Off.], [Washington, District of Columbia
Language
English
Word Count
6,500 words, Guess
Page Count
26 pages
Identifiers
- Open LibraryOL5933614M
- OCLC Control Number11860534
- Library of Congress Control Number64065511
Classifications
- LCCT339 .U55 1964
Subjects
Other Editions
- Patents & inventions: an information aid for inventors.
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