 |
| |||
| barrel rebuild (МЕК) | |||
| recovery of shaft; shaft recovery | |||
| восстановление ствола: 5 do fraz, 4 tematyki |
| Olej i gaz | 1 |
| Ropa / ropa naftowa | 2 |
| Sachalin | 1 |
| Technika i technologia | 1 |
|
| |||
| barrel rebuild (МЕК) | |||
| recovery of shaft; shaft recovery | |||
| восстановление ствола: 5 do fraz, 4 tematyki |
| Olej i gaz | 1 |
| Ropa / ropa naftowa | 2 |
| Sachalin | 1 |
| Technika i technologia | 1 |