 |
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| Trommelscheider m | |||
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| Trommel-Dreigutscheider m | |||
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drum separator : 5 phrases in 4 subjects |
| Chemistry | 1 |
| Coal | 1 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 1 |
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| |||
| Trommelscheider m | |||
| |||
| Trommel-Dreigutscheider m | |||
|
drum separator : 5 phrases in 4 subjects |
| Chemistry | 1 |
| Coal | 1 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 1 |