Patent manual for employees of the United States Department of Agriculture, 1944;
Patent manual for employees of the United States Department of Agriculture, 1944;
- Washington, U.S. Govt. Print. Off. [1944]
- iii, 41 p. illus. 23 cm.
- Miscellaneous publication (United States. Department of Agriculture) ; no. 551. .
agr44000180
Patent laws and legislation--United States.
T223.T2 / A4 1944
agr44000180
Patent laws and legislation--United States.
T223.T2 / A4 1944