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Publication of FR685185ApublicationCriticalpatent/FR685185A/fr
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
FR685185D1928-09-121929-09-11Dispositif de publicité
ExpiredFR685185A
(fr)