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| азбука Морзе | |||
| код Морзе | |||
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| азбука Морзе | |||
| морзянка | |||
| код Морзе | |||
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morse code : 21 phrases in 10 subjects |
| Astronautics | 1 |
| Electronics | 2 |
| Fish farming pisciculture | 1 |
| General | 6 |
| Makarov | 1 |
| Mass media | 1 |
| Military | 1 |
| Navigation | 2 |
| Technology | 3 |
| Telecommunications | 3 |