 |
| |||
| multi-tone signal (Speleo) | |||
| многотональный сигнал: 5 phrases in 4 subjects |
| Automobiles | 2 |
| Information security and data protection | 1 |
| Security systems | 1 |
| Telecommunications | 1 |
|
| |||
| multi-tone signal (Speleo) | |||
| многотональный сигнал: 5 phrases in 4 subjects |
| Automobiles | 2 |
| Information security and data protection | 1 |
| Security systems | 1 |
| Telecommunications | 1 |