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Fire and ventilation doors in metal mines
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Published Year
1920-1929 (1)
Subject
Fire doors (1)
Mine fires (1)
Mine fires--Prevention and control (1)
Mine fires--United States--Prevention and control (1)
Mine safety (1)
Mine ventialtion--Equipment and supplies--Fire testing (1)
Mine ventialtion--Safety measures (1)
Mine ventilation (1)
Mine ventilation--Design and construction (1) *
Author
Harrington, D. (1) *
