CPC Subgroup
F21S 41/20 characterised by refractors, transparent cover plates, light guides or filters
Full Title
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by refractors, transparent cover plates, light guides or filters
6 direct subcodes
Child Classifications
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- F21S 41/24 Light guides
- F21S 41/25 Projection lenses
- F21S 41/29 Attachment thereof (for achieving variable light distribution F21S41/63)