Process and apparatus for controlling the water supply to...

Process and apparatus for cutting rock

Process and apparatus for recovering an oil-enriched product...

Process and apparatus for recovering an oil-enriched product...

Process and device for controlling longwall shearing and...

Process for controlling the movement of an universally...

Process for cutting rock as well as apparatus for performing...

Process for in-situ recovery of metal values

Process for pumping bitumen froth thorugh a pipeline

Process for spraying the bits and/or facing with pressurized...

Process for thermally working mineral and like masses

Process of and an arrangement for mining

Process of attacking compact mineral materials...

Process of extracting rock and minerals

Process of recovering a heavy mineral by selective...

Protector for the spray-nozzle on a mining cutting drum

Pulse hydraulic monitor

Pulsed electric rock drilling, fracturing, and crushing...

Push pull mining system

Pushing tool