Guide for patent draftsmen /
U. S. Dept. of Commerce, Patent and Trademark Office.

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Corporate Author
United States. Patent and Trademark Office.
Language(s)
English
Published
Washington : for sale by the Supt. of Docs., U.S. Govt Print. Office , 1975.
Edition
Rev.
Subjects
Patent laws and legislation
Mechanical drawing
Patent laws and legislation > United States.
Mechanical drawing
United States
Physical Description
19 p. : ill. ; 26 cm.
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