multi-block
| monitoring signal
| multi-block | |
| el. | Mehrfachblock; Multiblock |
| monitoring signal | |
| tech. | Überwachungssignal |
| |||
| Mehrfachblock m; Multiblock m | |||
|
multi-block : 12 phrases in 3 subjects |
| Construction | 4 |
| Electronics | 5 |
| Mechanic engineering | 3 |