ID:DA07516486
United States. Dept. of Labor. Mine Safety and Health Administration
MSHA
M.S.H.A
United States. Mine Safety & Health Administration
United States. Mining Enforcement and Safety Administration
同姓同名の著者を検索
edited by Richard Lemen, John M. Dement ; sponsored by Society for Occupational and Environmental Health [and] Mine Safety and Health Administration, U.S. Department of Labor
Pathotox Publishers 1979 An SOEH publication
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sponsored by West Virginia University, College of Engineering, Department of Electrical Engineering ...[et al.]
[Institute of Electrical and Electronics Engineers] [1978?]
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U.S. Department of Labor, Mine Safety and Health Administration
U.S. Dept. of Labor, Mine Safety and Health Administration