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Manual of classification of patents ...



Corporate Author: United States.
Language(s): English
Published: Washington, Govt. Print. Off., 1923-
Subjects: Patents > Patents / United States.
Note: At head of title: Department of the Interior. Hubert Work, secretary. United States Patent Office. Thomas E. Robertson, commissioner.
Loose-leaf manual.
Physical Description: v. 15 x 24 cm.
Locate a Print Version: Find in a library


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Full view 1923 Princeton University
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