Portable mechanized mine scaling tool
Position determining device and method
Post driving machine
Power unit
Principal supporting structure for a portable machine used,...
Procede et dispositifs le mettant en oeuvre, pour deplacer...
Procedure for determining an indicator of the stresses on a...
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...