135891 ⎘
Other methods or devices for dislodging with or without loading by wedges
METHOD AND APPARATUS FOR REMOVING DEBRIS FROM A DRILL HOLE DURING DRILLING
#2Method and apparatus for removing debris from a drill hole during drilling
#3Hydraulically operated splitting device
#4Method and apparatus for splitting or cleaving rock
#5Method and apparatus for splitting or cleaving rock
#6Cartridge for tunnel blasting
#7Splitting wedge
#8Crushing structure of crusher