Abstracts of patents granted January-December 1949
Series: AIC -- 230 Suppl. 1; AIC -- 230 Supp. 1.
Publisher: Bureau of Agricultural and Industrial Chemistry, Agricultural Research Administration, U.S. Dept. of Agriculture
Published: 1950
Place of publication: [Peoria, Ill
Language: eng
Subjects: Patents
Notes: Caption title.

"3-1-50"--P. [1].