Author: Patent Office, Commerce Dept. / Publish Year Decade: 1950 - 1959 / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Author Patent Office, Commerce Dept. Publish Year Decade 1950 - 1959 Sudoc Stem C 21.12

1. Manual of classification [July 1947, replacement sheets; July 1952].

Corporate/Agency Authors:: Patent Office, Commerce Dept.
Publisher:: Patent Office, Commerce Dept.
Date:: [1952.]
SuDoc number:: C 21.12:947/rev.pages-16