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Reduction of dust and energy during coal cutting using point-attack bitswith an analysis of rotary cutting and development of a new cutting concept
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Published Year
1970-1979 (1)
Subject
Coal mines and mining--Dust control (1)
Coal-mining machinery (1) *
Author
Lindroth, David P., (1)
Myren, Theodore A., (1)
Roepke, Wallace W. (1) *