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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
H05B47/20
Responsive to malfunctions or to light source life; for protection
H05B47/20
Responsive to malfunctions or to light source life; for protection