| |||
| сигнальный код | |||
| одночастотный код | |||
|
signaling code : 10 phrases in 2 subjects |
| Automated equipment | 1 |
| Telecommunications | 9 |
| |||
| сигнальный код | |||
| одночастотный код | |||
|
signaling code : 10 phrases in 2 subjects |
| Automated equipment | 1 |
| Telecommunications | 9 |