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G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
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FR665102D1928-12-071928-12-07Signal d'arrêt perfectionné pour véhicules de transport en commun applicable concurremment à des buts de réclame
ExpiredFR665102A
(fr)