DIFF Subgroup
F21S 43/31 Optical layout thereof
Introduced: January 2018
Full Title
Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights > characterised by reflectors > Optical layout thereof
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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