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| Frequenzschaltung f | |||
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| Frequenzlagenvielfach n | |||
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frequency switching : 22 phrases in 10 subjects |
| Communications | 3 |
| Electronics | 4 |
| General | 1 |
| Information technology | 1 |
| Measuring instruments | 3 |
| Microelectronics | 1 |
| Optics branch of physics | 1 |
| Physics | 1 |
| Technology | 6 |
| Telecommunications | 1 |