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Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions

Published Year

• 1950-1959 (1)

Subject

• Coal mines and mining--Dust control (1) *
• Dust explosions--Prevention (1)
• Mine explosions--Prevention (1)

Author

• Christofel, F. P. (1) *
• Hartmann, Irving. (1)
• Nagy, John. (1)

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