Yazar
samuel g bloomfield
1 cilt bulundu.
Cilt sonuçları
Occupational and environmental analysis of the cement, clay and pottery industries
R. R. Sayers, J. M. DallaValle, Samuel G. Bloomfield, United States. Public Health Service, National Institutes of Health (U.S.). Division of Industrial Hygiene · U.S. G.P.O.
50 sayfa · 1937
Occupational diseases / Industrial safety / Industrial hygiene / Potters / Diseases