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DIFF Subgroup
H02K 27/22

having means for improving commutation, e.g. auxiliary fields, double windings, double brushes

Introduced: September 1968

Full Title

AC commutator motors or generators having mechanical commutator > having means for improving commutation, e.g. auxiliary fields, double windings, double brushes

No child classifications to compare. This is a leaf node in both IPC and CPC.