 |
| |||
| class 4/5 system; combined exchange; combined local/toll system; combined local/transit exchange; combined system | |||
|
sistema combinado : 12 Phrasen in 7 Thematiken |
| Elektronik | 2 |
| Geowissenschaften | 1 |
| Industrie | 1 |
| Informationstechnik | 1 |
| Landwirtschaft | 1 |
| Technik | 1 |
| Verkehr | 5 |