CPC Subgroup Additional Only
G02F 2201/307 Reflective grating, i.e. Bragg grating
Full Title
Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 > grating > Reflective grating, i.e. Bragg grating
G02F 2201/307 Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 > grating > Reflective grating, i.e. Bragg grating