 |
| |||
| dry ash-free coal; moisture and ash-free coal; pure coal substance | |||
| clean coal | |||
| charbon pur: 2 Phrasen in 2 Thematiken |
| Bergbau | 1 |
| Kohle | 1 |
|
| |||
| dry ash-free coal; moisture and ash-free coal; pure coal substance | |||
| clean coal | |||
| charbon pur: 2 Phrasen in 2 Thematiken |
| Bergbau | 1 |
| Kohle | 1 |