 |
| |||
| Prüfkanal m; Testkanal m | |||
| test channel: 3 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| Prüfkanal m; Testkanal m | |||
| test channel: 3 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |