Description: 321 / (12) Current Conversion (E.G. Rectification, Derectification) (26) D.C. to D.C. Conversion (33) With Discharge Type Converter

Hierarchy/Derived subclasses

321 / 12

-> 26

-> 33

CIPO search

search just 321/33

This 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.

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