Launch vehicle for continuous mining apparatus
Linear cutting rotary head continuous mining machine
Linear impact ripper apparatus
Liquid discharge apparatus for a shearing-loader type mining mac
Lock assembly for earthworking apparatus
Locking device for mining machine trim chain take-up
Long wall mining apparatus guide structure
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 installation with carrier for water and electric supply
Longwall machine guide with detachable cover plate
Longwall machine with captivating bracket
Longwall mine face conveyor pan and method of fabricating
Longwall mineral mining installation
Longwall mineral mining installation
Longwall mineral winning machine with adjustable cutting jet
Longwall mining installation having stable-hole plough
Longwall mining machine