 |
| |||
| churn drilling; percussion drilling | |||
| hammer drilling; percussive boring (drilling) | |||
| |||
| churn-drill (mit dem Seilschlagbohrgerät); jar | |||
|
schlagendes Bohren : 1 a las frases, 1 temas |
| Minería | 1 |
|
| |||
| churn drilling; percussion drilling | |||
| hammer drilling; percussive boring (drilling) | |||
| |||
| churn-drill (mit dem Seilschlagbohrgerät); jar | |||
|
schlagendes Bohren : 1 a las frases, 1 temas |
| Minería | 1 |