DIFF Subgroup
H02K 21/04 Windings on magnets for additional excitation
Introduced: September 1968
Full Title
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets > Details > Windings on magnets for additional excitation
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open