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| Fettschiefer m; Bitumenschiefer m; Gasschiefer m; Ölschiefer m; bituminöser Schiefer; Blattertonstein m (Kazuroff) | |||
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| Ölschiefer m | |||
| битуминозный сланец: 12 phrases in 4 subjects |
| Geology | 5 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 4 |
| Road works | 1 |