 |
| |||
| покрытие трубопровода в трассовых условиях (Leonid Dzhepko) | |||
| обмотка сварного шва (Leonid Dzhepko) | |||
| field coating: 11 phrases in 3 subjects |
| Oil and gas | 9 |
| Oil and gas technology | 1 |
| Pipelines | 1 |
|
| |||
| покрытие трубопровода в трассовых условиях (Leonid Dzhepko) | |||
| обмотка сварного шва (Leonid Dzhepko) | |||
| field coating: 11 phrases in 3 subjects |
| Oil and gas | 9 |
| Oil and gas technology | 1 |
| Pipelines | 1 |