| |||
| signaling unit; signalling unit; signal unit | |||
| signaling panel (appareil de transmission); alarm panel (appareil de transmission); alarm unit (transmission equipment, appareil de transmission) | |||
|
unite de signalisation : 40 phrases in 5 subjects |
| Aviation | 1 |
| Communications | 14 |
| Electronics | 21 |
| Technology | 2 |
| Telecommunications | 2 |