Yazar
Royd Ray Sayers
12 cilt bulundu.
Cilt sonuçları
Carbon monoxide poisoning in homes and industries
Royd Ray Sayers, United States. Bureau of Mines · The Department.
Sayfa sayısı yok · 1924
Carbon monoxide / Physiological effect / Measurement
Hydrogen sulphide as an industrial poison
Royd Ray Sayers, Claude W. Mitchell, W. P. Yant, United States. Bureau of Mines · The Bureau.
Sayfa sayısı yok · 1923
Hydrogen sulfide / Physiological effect