Occupational respiratory protection (593)
By: Division of Training and Manpower Development.
Contributors: National Institute for Occupational Safety and Health. Division of Training & Manpower Development.
Edition: Rev. Mar. 1981.
Publisher: U.S. Dept. of Health and Human Services, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health
Published: 1981
Place of publication: Cincinnati, Ohio
Language: eng
Subjects: Breathing apparatus -- Safety appliances.; Industrial safety.
Notes: Shipping list no.: 90-239-P.

"August 1987."

Includes bibliographical references.