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| Tongenerator m; NF-Generator m; Niederfrequenz-Generator m; Niederfrequenzgenerator m; Tonfrequenzgenerator m | |||
| Unterbandoszillator m (TACAN-Bodenstelle); Niederfrequenzoszillator m | |||
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low -frequency oscillator : 1 phrase in 1 subject |
| Automated equipment | 1 |