| |||
| centre de commutation | |||
|
switching exchange : 21 phrases in 5 subjects |
| Communications | 2 |
| Electronics | 5 |
| Information technology | 3 |
| Telecommunications | 8 |
| Telegraphy | 3 |
| |||
| centre de commutation | |||
|
switching exchange : 21 phrases in 5 subjects |
| Communications | 2 |
| Electronics | 5 |
| Information technology | 3 |
| Telecommunications | 8 |
| Telegraphy | 3 |