Recording Patent Agreements and Limiting Patents to 20 Years. Hearings on H.R. 2630, H.R. 2631, H.R. 2632 ... May 29-June 7, 1945.(79-1)
Author : United States. Congress. House. Committee on Patents
Publisher :
Page : 138 pages
File Size : 43,27 MB
Release : 1945
Category :
ISBN :