Advancing system for coal winning machine

Apparatus for advancing a low-height drift through a subterranea

Apparatus for protecting of coal mine workers

Continuous miner with improved roof-to-floor anchoring canopy un

Continuous mining machine

Control apparatus for inclination of longwall guide

Control arrangement for adjusting the position of a mineral winn

Conveyor mounted vehicle

Cutter unit assemblies for excavating machines and to excavating

Device for mining of thick strata of useful minerals

Double shield tunnel boring machine

Excavating machine

Excavating machines

Floating shoe tunnel boring machine and boring process

Full face miner

Funneling machine with inclined advancing rams

Hard rock trench cutting machine

Hard rock trench cutting machine having anchoring and steering s

Inflatable gripper assembly for rock boring machine

Longwall installation with carrier for water and electric supply