 |
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| геолого-технические мероприятия (Leonid Dzhepko) | |||
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geological and engineering operations : 3 phrases, 2 sujets |
| Informatique | 1 |
| Pétrole et gaz | 2 |
|
| |||
| геолого-технические мероприятия (Leonid Dzhepko) | |||
|
geological and engineering operations : 3 phrases, 2 sujets |
| Informatique | 1 |
| Pétrole et gaz | 2 |