Device for directing the rack
Device for interconnecting two sections of a longwall mining mac
Device for safety guiding of hauling chain especially at ranging
Drive arrangements for mining machines
Drive chain channel arrangement for longwall shearer
Drive chain for long-wall mining machine
Drive frame and assembly for mining apparatus
Drive gear and guide arrangement for a mining machine, in partic
Drive gears for rack-driven mining machine
Drive mechanism for a combined cutter loader
Driving arrangement for longwall mining machines
Driving device for a mining machine
Driving device for mining machine
Driving gear rack cleaner for a mining machine
Drum coal cutting machine having a roller crusher
Drum cutter
Drum cutter mining machine
Drum cutter-loader equipped with an auxiliary drum
Drum cutter-loader for underground mining
Drum cutter-loader for underground mining machine