Classification Of Subjects Of Invention Of The United States Patent Office, Arranged By Divisions With Classes And Subclasses In Each
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Author
Publication
2018-10-16 - Franklin Classics
Word Count
24,000 words, Guess
Page Count
96 pages
Physical Format
Paperback
Identifiers
- ISBN-100343463725
- ISBN-139780343463724
- Better World Books9780343463724
- Open LibraryOL32298494M
Subjects
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