Author: Agriculture Department / Catalog Issue Year Decade: 1930 - 1939 / Sudoc Stem: C 21.7/1 - Blacklight Search Results

Start Over Author Agriculture Department Catalog Issue Year Decade 1930 - 1939 Sudoc Stem C 21.7/1

1. Patent laws. Patent laws.

Corporate/Agency Authors:: Patent Office and Agriculture Department
Publisher:: Patent Office
Date:: Revised June 1934. 1934
SuDoc number:: C 21.7/1:934