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| oil production method; oil recovery method | |||
| oil-production method | |||
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метод добычи нефти : 53 do fraz, 11 tematyki |
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| Ekonomia | 1 |
| Kaspijski | 2 |
| Makarowa | 3 |
| Olej i gaz | 11 |
| Pola naftowe | 4 |
| Pospolicie | 2 |
| Ropa / ropa naftowa | 17 |
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| Technika i technologia | 5 |
| Technologia ropy i gazu | 3 |