Control method and control equipment for drilling apparatus
Control of the actuation of hydraulic consumers
Control systems for self-advancing mine roof supports
Controlled expansion of rock bolt
Corrosion protected tensioning member for a prestressable...
Corrosion-protected, self-drilling anchor and anchor subunit...
Cribbing
Cut and cover construction of subway with utility chamber...
Cut and cover construction of subway with utility chamber...
Cutter for tunnel boring machine
Cutter structure for shield machine
Cutterhead for a rock cutting machine
Cutting head for drift advancing machines
Cutting ring for disk rolls of partial and/or full cutting...