 |
| |||
| chisel bit tool; churn-drill bit | |||
| долото для канатно-ударного бурения: 6 phrases in 3 subjects |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
|
| |||
| chisel bit tool; churn-drill bit | |||
| долото для канатно-ударного бурения: 6 phrases in 3 subjects |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |