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Ignition of coal dust by permissible explosives
Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions
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Published Year
1950-1959 (2)
Subject
Dust explosions--Prevention (2) *
Mine explosions--Prevention (2)
Coal mine accidents--Prevention (1)
Coal mines and mining--Dust control (1)
Explosives--Safety measures (1)
Author
Christofel, F. P. (2) *
Nagy, John. (2)
Hartmann, Irving, (1)
Hartmann, Irving. (1)
McGibbeny, E. B. (1)
