Ram boring machine having a pull-and-turn reversing gear
Reversible percussive action machine
Reversible percussive action machine
Reversible pneumatic ground piercing tool
Reversible pneumatic percussive device for making holes in groun
Reversible underground piercing device
Reversiele percussion device
Self mountable and extractable ultrasonic/sonic anchor
Slide hammer apparatus
Small diameter impact boring tool
Small diameter impact boring tool
Stake driver
Steering device for steerable drilling tool
Striking element
Variable timing for front chamber of pneumatic hammer
Water driven hammer device