 |
| |||
| air-operated downhole drill; pneumatic downhole motor | |||
| air-operated downhole motor; pneumatic hammer drill | |||
| пневматический забойный двигатель: 6 phrases, 3 sujets |
| Champs de pétrole | 1 |
| Pétrole / pétrole | 4 |
| Technologie | 1 |
|
| |||
| air-operated downhole drill; pneumatic downhole motor | |||
| air-operated downhole motor; pneumatic hammer drill | |||
| пневматический забойный двигатель: 6 phrases, 3 sujets |
| Champs de pétrole | 1 |
| Pétrole / pétrole | 4 |
| Technologie | 1 |