coal classification
| system
| coal classification | |
| chem. el. | Kohlenklassifikation |
| system | |
| gen. | Methode; System; Anlage |
| refrig. | System |
| tech. | Anlage; Anordnung; Bauart; Netz; Netzverbund; Bezugssystem datum |
| |||
| Kohlenklassifikation f | |||
|
coal classification : 5 phrases in 3 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Mining | 1 |