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Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption
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Published Year
1970-1979 (1)
Subject
Bits (Drilling and boring) (1)
Coal mines and mining--Dust control (1)
Coal-mining machinery (1) *
Mine dusts (1)
Author
Hanson, Bruce D. (1) *
Roepke, Wallace W., (1)
