| |||
| gruppöversättning | |||
|
modulation de groupe primaire : 4 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 2 |
| Power lines | 1 |
| |||
| gruppöversättning | |||
|
modulation de groupe primaire : 4 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 2 |
| Power lines | 1 |