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G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F21/00—Mobile visual advertising
G09F21/04—Mobile visual advertising by land vehicles
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FR590284D1923-12-081924-12-08Appareil indicateur de station ou de localité, avec réclame, pour autobus, tramways, métropolitain, chemins de fer, etc.
ExpiredFR590284A
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