Method of separating the upper coal in seams
Method of steering a mining machine
Method of steering a mining machine
Method of surface mining
Method of working coal seams to a defined preset depth of cuttin
Methods and apparatus for maintaining longwall face alignment
Methods of controlling the operation of mineral mining installat
Miner guidance using laser and image analysis
Mineral mining installation with electronic control
Mineral mining machine cutter driving mechanism having a load se
Mining apparatus
Mining apparatus
Mining apparatus
Mining control system for adjusting the advance of mining tools
Mining device
Mining equipment
Mining machine and method
Mining machine control signal processing system
Mining machine having rectangular thrust transmitting conveyor c
Mining machine having rectangular thrust transmitting conveyor c