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About this book
Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873, inclusive ... Comp. and pub. under the direction of M.D. Leggett, commissioner of patents. by United States. Patent Office is a book available to read on EtoBox.
- Author
- United States. Patent Office
- Publisher
- Govt. Print. Off., 1874.
- Published
- 1874
- Language
- EN
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