 |
| |||
| mines profondes | |||
| |||
| extraction en galerie | |||
| exploitation souterraine; extraction souterraine | |||
|
deep mines : 2 Phrasen in 2 Thematiken |
| Bodenschätze | 1 |
| Umwelt | 1 |
|
| |||
| mines profondes | |||
| |||
| extraction en galerie | |||
| exploitation souterraine; extraction souterraine | |||
|
deep mines : 2 Phrasen in 2 Thematiken |
| Bodenschätze | 1 |
| Umwelt | 1 |