 |
| |||
| jet two- blade drag bit; jet two-blade drag bit | |||
| двухлопастное долото со струйной промывкой: 4 phrases in 2 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
|
| |||
| jet two- blade drag bit; jet two-blade drag bit | |||
| двухлопастное долото со струйной промывкой: 4 phrases in 2 subjects |
| Oil / petroleum | 3 |
| Oil and gas | 1 |