| Automated rock splitting
machine (South Korea) |
| Automated rock splitting
machine (Taiwan) |
| Automated rock splitting
machine (United States) |
| Wedge structure for
crushing rock |
| Mechanism for fixing automated
rock splitting devices |
| Excavating machine structure
for automated rock splitting |
| Automated rock splitting
machine |
| Hydraulic rock splitting
equipment |
| Opening structure for opening
blades used for crushing |
| Continuous drilling method
and continuous drilling equipment |
| Drilling machine
for splitting rock |
| Crusher structure with adjustable
crushing direction |
| Rock splitting and drilling
equipment for attachment on end of excavator boom |
| Rock splitting machine for
attachment on end of backhoe boom |
| Rock splitting machine for
attachment on end of backhoe boom (South Korea) |
| Raising and lowering device |
| Excavation device |
| Rock scraping system for
the caisson method |
| Opening structure for opening
blades used for crushing (Japan) |
| Wall crushing machines |
| Crusher structure for crushing
machines (U.S.) |
| Excavation device |