 |
| |||
| drilling chemicals (Alexander Demidov) | |||
| буровые химреагенты: 5 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
|
| |||
| drilling chemicals (Alexander Demidov) | |||
| буровые химреагенты: 5 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |