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In Pit Crushing And Conveying Gathering Momentum Germany

In Pit Crushing And Conveying Gathering Momentum Germany

Abstract a coal mining method at a longwalled pit face of a coal mine comprises combining selfadvancing supports with a conveyor which is arranged along the longwalled pit face and on which a shearer is mounted and arranging the effective shearing depth of shearing drums of the shearer to be at least half as long as the stroke of a shifter for shifting both of the selfadvancing supports.

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