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G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
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FR637620D1926-11-141926-11-14Procédé d'éclairement des plaques indicatrices des véhicules automobiles et dispoitifs en permettant la mise en oeuvre
ExpiredFR637620A
(fr)