Respiratory devices for protection against certain pesticides
By: R. A. Fulton, [et al.]
Contributors: United States. Entomology Research Division
Series: ARS -- 33-76/supp.1; ARS (Series) (United States. Agricultural Research Service) -- 33-76/supp.1.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1963
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Breathing apparatus; Pesticides; Safety measures
Notes: Caption title.

"April 1963."