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G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/04—Hands; Discs with a single mark or the like
G04B19/046—Indicating by means of a disc with a mark or window
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FR739111D1932-06-251932-06-25Dispositif d'index et de cadran pour appareils indicateurs tels que pendules, baromètres, compteurs, etc.
ExpiredFR739111A
(fr)