 |
| |||
| wedge-cover (Yeldar Azanbayev) | |||
| wedge-cover spherical blowout preventer | |||
| сферический противовыбросовый превентор с клиновым замком крышки: 3 phrases in 3 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| wedge-cover (Yeldar Azanbayev) | |||
| wedge-cover spherical blowout preventer | |||
| сферический противовыбросовый превентор с клиновым замком крышки: 3 phrases in 3 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |