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General information concerning patents.

APA Citation

United States Patent and Trademark Office. (1975). General information concerning patents. Revised Apr. 1975. [Washington]: Dept. of Commerce, Patent and Trademark Office : U.S. G.P.O..

MLA Citation

United States Patent and Trademark Office. General Information Concerning Patents. Revised Apr. 1975. [Washington]: Dept. of Commerce, Patent and Trademark Office : U.S. G.P.O., 1975.

Warning: These citations may not always be complete (especially for serials).