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| Förderung im Tiefbau (Untertagebau); Gewinnung im Tiefbau (Untertagebau); Gewinnung unter Tage; Tiefbauförderung f | |||
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подземная добыча : 4 phrases in 4 subjects |
| Construction | 1 |
| Environment | 1 |
| Mining | 1 |
| Technology | 1 |
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