 |
| |||
| manually operated teleprinter exchange system; manually operated printer exchange system | |||
| абонентский телеграф ручной системы: 3 do fraz, 1 tematyki |
| Technika i technologia | 3 |
|
| |||
| manually operated teleprinter exchange system; manually operated printer exchange system | |||
| абонентский телеграф ручной системы: 3 do fraz, 1 tematyki |
| Technika i technologia | 3 |