Means for controlling feed of particulate material into airlift
Measurement of the alignment of an articulated mine conveyor
Metal detector for a milling machine
Method and apparatus for a rotating cutting drum or arm mounted
Method and apparatus for automatically controlling a mining mach
Method and apparatus for controlling a tunneling machine
Method and apparatus for controlling a tunneling machine
Method and apparatus for controlling water sprays of an undergro
Method and apparatus for cutting a trench through rock-like mate
Method and apparatus for excavating a tunnel or gallery face
Method and apparatus for increasing the efficiency of highwall m
Method and apparatus for inspecting a forward end portion in a t
Method and apparatus for mining
Method and apparatus for remote self-propelled conveying in...
Method and apparatus for securing mining machines employed on in
Method and apparatus for sensing coal-rock interface
Method and apparatus for steering a mining machine cutter
Method and apparatus to control tension in a trailing cable and/
Method and arrangement for determining position of unmanned...
Method and device for breaking a hard compact material