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| transmit-receive channel frequencies | |||
| transmit and receive frequencies (oleg.vigodsky) | |||
| частоты передачи и приёма: 20 phrases in 7 subjects |
| Astronautics | 1 |
| Makarov | 1 |
| Mass media | 12 |
| Military | 1 |
| Nautical | 2 |
| Technology | 1 |
| Telecommunications | 2 |
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