 |
| |||
| end-seating valve (бурильного молотка) | |||
| end valve (Anten) | |||
| концевой клапан: 8 phrases in 3 subjects |
| Hydraulics | 1 |
| Molikpaq | 6 |
| Oil and gas technology | 1 |
|
| |||
| end-seating valve (бурильного молотка) | |||
| end valve (Anten) | |||
| концевой клапан: 8 phrases in 3 subjects |
| Hydraulics | 1 |
| Molikpaq | 6 |
| Oil and gas technology | 1 |