 |
| |||
| class 4/5 system; combined exchange; combined local/toll system; combined local/transit exchange; combined system | |||
|
central combinada : 6 Phrasen in 4 Thematiken |
| Elektronik | 1 |
| Kommunikation | 2 |
| Materialwissenschaften | 2 |
| Umwelt | 1 |
|
| |||
| class 4/5 system; combined exchange; combined local/toll system; combined local/transit exchange; combined system | |||
|
central combinada : 6 Phrasen in 4 Thematiken |
| Elektronik | 1 |
| Kommunikation | 2 |
| Materialwissenschaften | 2 |
| Umwelt | 1 |