Liquid discharge apparatus for a shearing-loader type mining mac
Longwall canted drum mining machine
Longwall coal cutter and loader
Longwall coal mining machine with plural cutters on sub-ranging
Longwall cutting machines with drum moved by plural power means
Longwall machine guide with detachable cover plate
Longwall machine with captivating bracket
Longwall mine face conveyor pan and method of fabricating
Longwall mineral winning machine with adjustable cutting jet
Longwall mining machine
Longwall mining machine
Longwall mining machine for the mining of thick mineral seams
Looped cable control device