Semiannual List of Periodicals and Periodic Releases, Serials and Statistical Statements: July 1951
Series Title:
Classification of patents.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Corporate/Agency Author:
Patent Office
Publication month:
6
SuDoc number:
C 21.5/a 3:642/1-646/5
Notes:
† Distribution Made by Issuing Office.
Availability:
* For Sale by Superintendent of Documents. Paper, $15.00 a yr., $2.00 additional for foreign mailing: single copy, 30c. and † Distribution Made by Issuing Office.