 |
| |||
| segnale in banda vocale | |||
|
señal de audiofrecuencia : 7 phrases in 3 subjects |
| Communications | 2 |
| Electronics | 3 |
| Radio | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips