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Teersand m | |||
bituminoeser Sand | |||
Bituminöser Sand | |||
Ölsand m | |||
bituminöser Sand | |||
Ölsand m (crude oil extraction); pechhaltiger Sand (crude oil extraction); Teersand m (crude oil extraction) | |||
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Bituminöser Sand | |||
| |||
ölhaltige Sande |
tar sand : 3 phrases in 1 subject |
Mining | 3 |