DIFF Subgroup
F21S 43/249 with two or more light sources being coupled into the light guide
Introduced: January 2018
Full Title
Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights > characterised by refractors, transparent cover plates, light guides or filters > Light guides > with two or more light sources being coupled into the light guide
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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