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Publication of FR607972ApublicationCriticalpatent/FR607972A/en
B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
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FR607972D1925-12-141925-12-14
Luminous device, automatically warning of the extinction of the rear lantern of a motor car
ExpiredFR607972A
(en)