Author: Agriculture Department / Publish Year Decade: 1920 - 1929 / Sudoc Stem: C 21.5/a 1 - Blacklight Search Results

Start Over Author Agriculture Department Publish Year Decade 1920 - 1929 Sudoc Stem C 21.5/a 1

1. Patents. Classification of patents issued May 4-25, 1926.

Corporate/Agency Authors:: Patent Office and Agriculture Department
Publisher:: Patent Office
Date:: [1926.]
SuDoc number:: C 21.5/a 1:346/1-4