 |
| |||
| operation and maintenance signal | |||
| |||
| orderwire signal | |||
|
signal d'exploitation : 5 Phrasen in 3 Thematiken |
| Elektronik | 1 |
| Informationstechnik | 2 |
| Kommunikation | 2 |
|
| |||
| operation and maintenance signal | |||
| |||
| orderwire signal | |||
|
signal d'exploitation : 5 Phrasen in 3 Thematiken |
| Elektronik | 1 |
| Informationstechnik | 2 |
| Kommunikation | 2 |