Manual of Classification of Subjects of Invention of the United States Patent Office REV. to January 1, 1920 (Including Classification Bulletin No. 43) by United States Patent Office
  

Manual of Classification of Subjects of Invention of the United States Patent Office REV. to January 1, 1920 (Including Classification Bulletin No. 43)

Written by United States Patent Office
Illustrated by

Synopsis

Manual of Classification of Subjects of Invention of the United States Patent Office REV. to January 1, 1920 (Including Classification Bulletin No. 43) by United States Patent Office

About the Author

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Book Info

Format

Paperback / softback
314 pages

Author

United States Patent Office
More books by United States Patent Office

Publisher

Nabu Press

Publication date

10th February 2010

ISBN

9781144190468


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