DIFF Subgroup
H05B 41/2806 Full Title
Circuit arrangements or apparatus for igniting or operating discharge lamps (structurally associated with the discharge lamps H01J61/54, H01J61/56) > Circuit arrangements > in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC > using static converters
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.