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Ignition of coal dust by permissible explosives
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Published Year
1950-1959 (1)
Subject
Coal mine accidents--Prevention (1)
Dust explosions--Prevention (1)
Explosives--Safety measures (1) *
Mine explosions--Prevention (1)
Author
Christofel, F. P. (1) *
Hartmann, Irving, (1)
McGibbeny, E. B. (1)
Nagy, John. (1)
