Key Title | Official Gazette of the United States Patent and Trademark Office. Patents |
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Publisher | U.S. Patent and Trademark Office, General Information Services Division |
Language | |
Country | United States |
Place | Washington, DC |
Publication Date | 1872 |
Topics | PATENTS, TRADEMARKS AND COPYRIGHTS |
ISSN | 00981133 |
Dewey | 608.7 |
University | ATRA_380015 |