Description: 321 / (12) Current Conversion (E.G. Rectification, Derectification) (34) D.C. to A.C. Conversion (e.g., Derectification, Inverter) (36) Mechanical Switch Type Converter (37) Vibrating Switch Type Converter (38) Plural Vibrating Switch Units

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321 / 12-> 34-> 36-> 37-> 38

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