Hydraulically actuated tool for mechanically splitting rock-like
Incompressible fluid type rock breaker
Method and device for removing part of concrete structure
Mineral winning machines
Pneumatic blasting device
Power unit
Power-driven, wedge-operated rock splitter
Powered member for splitting rock and other bodies
Pressure actuated fracture device
Rock crushing device
Rock splitting attachment for a breaking hammer
Rock-splitting apparatus
Thrust-impact rock-splitter
Wear or thrust plates for hydraulic rock splitting apparatus
Wear or thrust plates for hydraulic rock splitting apparatus