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G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
G09F23/16—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on clocks, e.g. controlled by the clock mechanism
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FR680098D1928-08-101929-08-08Perfectionnements aux horloges de publicité, dispositifs indicateurs et enregistreurs et appareils analogues
ExpiredFR680098A
(fr)