Machine for driving mine roof pins

Machine for excavating underground galleries

Machines for enlarging and shaping mine shafts and the like

Machines for use in mining or tunnelling installations

Machines for use in mining or tunnelling work

Mat pack brick

Material collecting means for mining machines

Means and technique for installing elongated rods in...

Means for anchoring a rock bolt made of concrete steel in a...

Mechanical expansion anchor

Mechanized hydraulic timbering

Method and a device for feeding concrete into a drill hole...

Method and a device for guiding a concrete feeding hose in...

Method and a machine for advancing an underground face of a...

Method and an apparatus for producing lining for slender...

Method and apparatus for anchoring a tie-down bar in an...

Method and apparatus for anchoring rock bolts and cables

Method and apparatus for breaking a full face of rock for...

Method and apparatus for combining resin bonding and...

Method and apparatus for combining resin bonding and...