CPC Subgroup
F21S 45/30 Ventilation or drainage of lighting devices
Full Title
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Ventilation or drainage of lighting devices
2 direct subcodes
Child Classifications
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- F21S 45/33 specially adapted for headlamps
- F21S 45/37 specially adapted for signal lamps