DIFF Subgroup
G02B 27/1086 Full Title
Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > Beam splitting or combining systems (polarising systems G02B27/28; mixing and splitting light signals using optical waveguides G02B6/28; )
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.