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| фильтр-сепаратор (Alexander Demidov) | |||
| separator filter: 23 phrases in 13 subjects |
| Astronautics | 1 |
| Caspian | 1 |
| Ecology | 2 |
| Food industry | 1 |
| General | 2 |
| Molikpaq | 1 |
| Oil and gas | 2 |
| Oil processing plants | 4 |
| Production | 1 |
| Sakhalin | 4 |
| Sakhalin R | 1 |
| Technology | 2 |
| Thermal engineering | 1 |