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- catalog contributor b817340.
- catalog created "1978.".
- catalog date "1978".
- catalog date "1978.".
- catalog dateCopyrighted "1978.".
- catalog description "Includes bibliographical references.".
- catalog extent "v, 92 p. :".
- catalog isPartOf "DHEW publication ; no. (NIOSH) 78-193 A".
- catalog issued "1978".
- catalog issued "1978.".
- catalog language "eng".
- catalog publisher "Cincinnati, Ohio : Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Technical Services ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O.,".
- catalog subject "Air Pollutants.".
- catalog subject "Occupational Diseases prevention & control".
- catalog subject "Protective Devices standards.".
- catalog subject "Respiratory Tract Diseases prevention & control.".
- catalog subject "WF 26 N277r 1978".
- catalog title "Respiratory protection : an employer's manual.".
- catalog type "text".