DIFF Subgroup
F02P 3/093 Full Title
Other installations > having capacitive energy storage (piezoelectric or electrostatic ignition F02P3/12) > Layout of circuits (for low tension F02P3/10) > for control of the charging current in the capacitor (F02P15/12 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.