CPC Subgroup
F21S 4/28 rigid, e.g. LED bars
Full Title
Lighting devices or systems using a string or strip of light sources > with light sources held by or within elongate supports > rigid, e.g. LED bars
F21S 4/28 Lighting devices or systems using a string or strip of light sources > with light sources held by or within elongate supports > rigid, e.g. LED bars