 |
| |||
| signaling arrangement (устройство СЦБ); signaling arrangement | |||
| signaling laboratory; signal mechanic | |||
| централизации стрелок и сигналов и блокировки: 4 phrases in 2 subjects |
| Makarov | 2 |
| Rail transport | 2 |
|
| |||
| signaling arrangement (устройство СЦБ); signaling arrangement | |||
| signaling laboratory; signal mechanic | |||
| централизации стрелок и сигналов и блокировки: 4 phrases in 2 subjects |
| Makarov | 2 |
| Rail transport | 2 |