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| natürliche fossile Brennstoffe | |||
| Kaustobiolithe m | |||
| Inflammabilien n | |||
| Brennstoffe fossile | |||
| горючие ископаемые: 7 phrases in 4 subjects |
| Chemistry | 2 |
| Geology | 3 |
| Mining | 1 |
| Technology | 1 |
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