Device for supporting a gallery or a tunnel

Device for the in-situ production of columns of stabilized and c

Device for vibrating the soil

Devices of providing efficient revegetation and greening...

Discontinuous structural reinforcing elements and method of rein

Displaceable mine roof support assemblies

Distributor

Ditch lining apparatus

Ditch lining apparatus and method and product therefrom

Ditch lining apparatus and method and product therefrom

Ditch shoring unit

Double-plate control device

Double-tube type boring and kneading machine, and method for imp

Double-wing deformable stop-end pipe for forming the joining sur

Dowel device for grouting in a drillhole

Drainage block feedthrough for assembly of walls constructed of

Drillable ground support bolt

Drilling apparatus and method for single pass bolting

Drilling device

Drilling means serving as ground anchor and method