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Sideboard device for improved face ventilation in coal mines

Published Year

• 1970-1979 (1)

Subject

• Coal mines and mining--Dust control (1)
• Coal-mining machinery (1) *
• Mine ventilation (1)

Author

• Divers, Edward F. (1)
• Kissell, Fred N. (1)
• LaScola, John C. (1) *

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