 |
| distress signals: 19 phrases in 8 subjects |
| Electronics | 1 |
| General | 1 |
| High frequency electronics | 1 |
| Makarov | 3 |
| Military | 3 |
| Nautical | 6 |
| Notarial practice | 1 |
| Technology | 3 |
|
| distress signals: 19 phrases in 8 subjects |
| Electronics | 1 |
| General | 1 |
| High frequency electronics | 1 |
| Makarov | 3 |
| Military | 3 |
| Nautical | 6 |
| Notarial practice | 1 |
| Technology | 3 |