 |
| |||
| pressurizing the pipe lines (Konstantin 1966) | |||
| герметизация трубопроводов: 5 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 3 |
| Transport | 1 |
|
| |||
| pressurizing the pipe lines (Konstantin 1966) | |||
| герметизация трубопроводов: 5 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 3 |
| Transport | 1 |