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Publication of FR783672ApublicationCriticalpatent/FR783672A/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
G09F13/14—Arrangements of reflectors therein
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Theoretical Computer Science
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FR783672D1934-01-061935-01-04Dispositif de publicité lumineuse par lettres ou signes transparents ou translucides éclairés par irradiation
ExpiredFR783672A
(fr)