 |
| |||
| tree cap; Christmas-tree cap (подводной скважины) | |||
| колпак фонтанной арматуры: 5 phrases in 4 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
|
| |||
| tree cap; Christmas-tree cap (подводной скважины) | |||
| колпак фонтанной арматуры: 5 phrases in 4 subjects |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |