F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
Landscapes
Engineering & Computer Science
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General Engineering & Computer Science
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Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
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