 |
| |||
| commande de réglage; signal d'action | |||
| signal d'action directe | |||
| signal vers l'avant | |||
| signal en avant | |||
| |||
| signalisation vers l'avant | |||
|
forward signal : 17 phrases in 6 subjects |
| Antennas and waveguides | 1 |
| Communications | 5 |
| Electronics | 7 |
| Semiconductors | 1 |
| Telecommunications | 2 |
| Telegraphy | 1 |