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Rigid foam for mines

Stoppings for ventilating coal mines

Published Year

• 1960-1969 (2)

Subject

• Mine ventilation (2) *
• Coal mines and mining (1)
• Foam (1)
• Mine fires (1)

Author

• Mitchell, Donald W. (2) *
• Bercik, George R. (1)
• Frances, Angelo. (1)
• Kawenski, Edward M. (1)
• Murphy, Edwin M. (1)
• Nagy, John. (1)

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