| |||
| Niederfrequenzfilter n | |||
| Tonfrequenzfilter n | |||
| |||
| Niederfrequenzsiebung f | |||
|
audio-frequency filter : 2 phrases, 2 sujets |
| Instruments de mesure | 1 |
| Technologie | 1 |
| |||
| Niederfrequenzfilter n | |||
| Tonfrequenzfilter n | |||
| |||
| Niederfrequenzsiebung f | |||
|
audio-frequency filter : 2 phrases, 2 sujets |
| Instruments de mesure | 1 |
| Technologie | 1 |