| |||
| signaleringsprotokol; signalleringsprotokol | |||
| signalprotokol; signalreglement; signalsystem | |||
|
protocole de signalisation : 5 phrases in 2 subjects |
| Communications | 4 |
| Transport | 1 |
| |||
| signaleringsprotokol; signalleringsprotokol | |||
| signalprotokol; signalreglement; signalsystem | |||
|
protocole de signalisation : 5 phrases in 2 subjects |
| Communications | 4 |
| Transport | 1 |