Author: Patent and Trademark Office / Catalog Issue Year Decade: 1970 - 1979 / Sudoc Stem: C 21.3/2 - Blacklight Search Results

Start Over Author Patent and Trademark Office Catalog Issue Year Decade 1970 - 1979 Sudoc Stem C 21.3/2

1. Classification definitions. 428. Stock material or miscellaneous articles; [by]R. Aull , F. J. Cullen [and others).

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: Feb. 1975
SuDoc number:: C 21.3/2:428