 |
| |||
| valves | |||
| вентильная арматура: 6 phrases in 5 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| valves | |||
| вентильная арматура: 6 phrases in 5 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
| Weapons of mass destruction | 1 |