DIFF Subgroup
F02D 41/20 Output circuits, e.g. for controlling currents in command coils
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Electrical control of supply of combustible mixture or its constituents > Output circuits, e.g. for controlling currents in command coils
CPC:
Electrical control of supply of combustible mixture or its constituents (F02D43/00 takes precedence ) > Output circuits, e.g. for controlling currents in command coils
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
Child Classifications
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