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Preliminary evaluation of bit impact ignitions of methane using a drum-type cutting head
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Published Year
1980-1989 (1)
Subject
Coal mines and mining--Safety measures (1) *
Coal-mining machinery--Safety measures (1)
Methane--Combustion--Testing (1)
Author
Dellorfano, V. William. (1)
Larson, David A. (1) *
Roepke, Wallance W. (1)
Wingquist, Carl F. (1)
