 |
| |||
| booster pipeline (Yeldar Azanbayev) | |||
| подпорный трубопровод: 3 do fraz, 2 tematyki |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |
|
| |||
| booster pipeline (Yeldar Azanbayev) | |||
| подпорный трубопровод: 3 do fraz, 2 tematyki |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |