| |||
| посылка импульсов набора (номера) | |||
|
loop pulsing : 3 phrases in 3 subjects |
| Communications | 1 |
| Mass media | 1 |
| Telecommunications | 1 |
| |||
| посылка импульсов набора (номера) | |||
|
loop pulsing : 3 phrases in 3 subjects |
| Communications | 1 |
| Mass media | 1 |
| Telecommunications | 1 |