H
ELECTRICITY
H
ELECTRICITY
H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B47/00
Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
H05B47/00
Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant