Manual of U.S. patent classification.

Bibliographic Details
Corporate Authors:	United States. Patent and Trademark Office, United States. Patent and Trademark Office. Information Products Division
Format:	Government Document Journal
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, Patent and Trademark Office, Information Products Division.
Subjects:	Patents > Classification > United States > Periodicals.
Online Access:	http://www.uspto.gov/go/classification/index.htm

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