Patents and the useful arts
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Author
Publication
1878 - The Times Printing House, Philadelphia, Pennsylvania
Language
English
Word Count
32,250 words, Guess
Page Count
129 pages
Identifiers
- Internet Archivepatentsusefulart00hows
- Library of Congress Control Number05024977
- OCLC Control Number20398936
- Open LibraryOL6958502M
Classifications
- LCCT212 .H86
Subjects
Topics
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