Occupational respiratory protection (593)
By: Division of Training and Manpower Development
Contributors: National Institute for Occupational Safety and Health. Division of Training & Manpower Development
Publisher: U.S. Dept. of Health and Human Services, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health
Published: 1980
Place of publication: Cincinnati, Ohio
Language: eng
Subjects: Breathing apparatus -- Safety appliances; Industrial safety
Notes: Cover title

"August 1980."

Includes bibliographical references