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F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
F21S41/28—Cover glass
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Engineering & Computer Science
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FR988507D1944-01-041944-01-04Perfectionnements apportés aux projecteurs à brillance nulle
ExpiredFR988507A
(fr)