 |
| |||
| four-channel sound system; quadraphonic sound system | |||
| квадрафоническая система: 16 Phrasen in 4 Thematiken |
| Elektronik | 8 |
| Informationstechnik | 1 |
| Makarow | 4 |
| Telekommunikation | 3 |
|
| |||
| four-channel sound system; quadraphonic sound system | |||
| квадрафоническая система: 16 Phrasen in 4 Thematiken |
| Elektronik | 8 |
| Informationstechnik | 1 |
| Makarow | 4 |
| Telekommunikation | 3 |