Training module on quarry operations : rock drilling
- Colombo ICTAD 1996
- xi, [150]p. : ill.
ICTAD/DEV/ID/13
ROCK DRILLING
ROCK DRILLING-Training modules
QUARRY OPERATIONS
622.233(083) / I6
ICTAD/DEV/ID/13
ROCK DRILLING
ROCK DRILLING-Training modules
QUARRY OPERATIONS
622.233(083) / I6