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Publication of FR740320ApublicationCriticalpatent/FR740320A/fr
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
G09F13/04—Signs, boards or panels, illuminated from behind the insignia
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FR740320D1932-07-121932-07-12Plaque lumineuse pour véhicules visible de jour et de nuit aux mêmes distances pouvant servir d'enseigne lumineuse
ExpiredFR740320A
(fr)