| |||
| code des transmissions | |||
| code de signalisation | |||
|
signalling code : 10 phrases in 5 subjects |
| Communications | 3 |
| Electronics | 3 |
| Information technology | 2 |
| Rail transport | 1 |
| Transport | 1 |
| |||
| code des transmissions | |||
| code de signalisation | |||
|
signalling code : 10 phrases in 5 subjects |
| Communications | 3 |
| Electronics | 3 |
| Information technology | 2 |
| Rail transport | 1 |
| Transport | 1 |