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PCE
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DIFF Subgroup
H02K 19/12

characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Synchronous motors or generators > Synchronous motors > for multi-phase current > characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing

CPC:

Synchronous motors or generators (having permanent magnets H02K21/00) > Synchronous motors > for multi-phase current > characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing

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