Fluid supply system to rotary cutter heads on mining machines
High pressure water assisted mining and tunnelling machine
High pressure water valve
Holder for a pick, and the combination of a pick and holder
Holder for cutter in mining machine
Holder for the attachment of cutters to mining and tunnelling ma
Hollow cutting head
Mineral cutter pick
Mineral cutter picks and pick assemblies
Mineral cutter tool having water emission deflection surface
Mineral cutting device
Mineral mining apparatus
Mineral mining machines
Mineral mining pick and holder assembly
Mining auger
Mining machine
Mining machine excavator drum having liquid spray control
Mining machine with cam-operated water jet pump
Mining machine with internal water supply for the cutting drums
Mining nozzle with two ring latch