Description: 321 / (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (90) Semiconductor Type Converter (92) S.C.R. Type Converter (94) With Polyphase Input (95) With Logic Circuit

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321 / 12-> 65-> 90-> 92-> 94-> 95

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