F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Optical Elements Other Than Lenses
(AREA)
Fastening Of Light Sources Or Lamp Holders
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Dispositif optique, notamment pour dispositif d'eclairage et/ou de signalisation de vehicule automobile, et dispositif d'eclairage et/ou de signalisation comportant un tel dispositif