Publisher: Patent Office, Commerce Dept. / Publish Year Decade: 1950 - 1959 / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Publisher Patent Office, Commerce Dept. Publish Year Decade 1950 - 1959 Sudoc Stem C 21.3

1. Classification bulletins. 407. Class 100, Presses.

Corporate/Agency Authors:: Patent Office, Commerce Dept.
Publisher:: Patent Office, Commerce Dept.
Date:: June 26, 1952. [1952.]
SuDoc number:: C 21.3:(nos.)

2. Classification bulletins. 406. Class 137, Fluid handling, June 6, 1952.

Corporate/Agency Authors:: Patent Office, Commerce Dept.
Publisher:: Patent Office, Commerce Dept.
Date:: [1952.]
SuDoc number:: C 21.3:(nos.)