 |
| |||
| getrockneter Koks (für Laboruntersuchungen) | |||
| dry coke: 8 phrases in 4 subjects |
| Chemistry | 1 |
| Coal | 4 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| getrockneter Koks (für Laboruntersuchungen) | |||
| dry coke: 8 phrases in 4 subjects |
| Chemistry | 1 |
| Coal | 4 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 2 |