Description: 321 / (12) Current Conversion (E.G. Rectification, Derectification) (65) A.C. to D.C. Conversion (e.g., Rectification, Converter) (66) Dynamo-Electric Machine or Induction Type Converter (67) With Polyphase Input
Hierarchy/Derived subclasses
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search just 321/67This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.