 |
| |||
| registrazione audio digitale | |||
| enregistrement numérique: 6 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Information technology | 3 |
| Sound recording | 1 |
|
| |||
| registrazione audio digitale | |||
| enregistrement numérique: 6 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Information technology | 3 |
| Sound recording | 1 |