DIFF Subgroup
G02B 6/3801 Full Title
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings > Coupling light guides > Mechanical coupling means (G02B6/255, G02B6/42 take precedence) > having fibre to fibre mating means
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.