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arrangement for direct transformation of alternating current of a frequency in a different frequency, in particular for adjustment of three-phase frequency f in the frequency einphasenstrom r / 3
arrangement for direct transformation of alternating current of a frequency in a different frequency, in particular for adjustment of three-phase frequency f in the frequency einphasenstrom r / 3
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机译:用于直接变换不同频率的交流电的装置,特别是用于调整频率einphasenstrom r / 3中的三相频率f的装置