FR559249A - Appareil électro-mécanique indicateur de stations de chemin de fer, métropolitain, tramways, bateaux et autres applications
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Appareil électro-mécanique indicateur de stations de chemin de fer, métropolitain, tramways, bateaux et autres applications
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B61D41/00—Indicators for reserved seats; Warning or like signs; Devices or arrangements in connection with tickets, e.g. ticket holders; Holders for cargo tickets or the like
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Engineering & Computer Science
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Transportation
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Mechanical Engineering
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FR559249D1922-11-291922-11-29Appareil électro-mécanique indicateur de stations de chemin de fer, métropolitain, tramways, bateaux et autres applications
ExpiredFR559249A
(fr)