DIFF Subgroup Additional Only
F21V 2200/30 of light guides doped with fluorescent agents
Full Title
Use of light guides, e.g. fibre optic devices, in lighting devices or systems > of light guides doped with fluorescent agents
F21V 2200/30 Use of light guides, e.g. fibre optic devices, in lighting devices or systems > of light guides doped with fluorescent agents