CPC Subgroup
F21S 45/10 Protection of lighting devices (cooling of lighting devices F21S45/40; waterproofing of lighting devices F21S45/50)
Full Title
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Protection of lighting devices (cooling of lighting devices F21S45/40; waterproofing of lighting devices F21S45/50)