German | English | |
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Patent | ||
Patent | Wechselstrom/Wechselstrom Umformer | ac/ac converter |
German | English | |
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Patent | ||
Patent | Wechselstrom/Wechselstrom-Umformer mit Thyristor-L | ac/ac converter having thyristor extinguishing mea |
Patent | Wechselstrom/Wechselstrom-Umformer | ac/ac converter |