|
|
|
|
|
|
|
|
|
AStlas Copco, Tam Rock, Furekawa, Toyo, Ingersoll Rand, SooSan, |
|
|
|
|
|
|
|
|
กแ Rotaty Hammer Drill System |
|
|
|
An application of Pneumatic rotary head drilling system for pneumatic rock drilling rig such as
PCR200,.... for deep blasting hole, well hole, earth anchoring,....... |
|
|
|
|
|
|