FR640331A - Perfectionnement aux mouvements d'horlogerie pour carillons dits <<westminster>>, outous autres, comportant un système de sonnerie fonctionnant aux quarts
- Google Patents
Perfectionnement aux mouvements d'horlogerie pour carillons dits <<westminster>>, outous autres, comportant un système de sonnerie fonctionnant aux quarts
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CHARLES MICHELSOHN ET CIE SOC
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CHARLES MICHELSOHN ET CIE SOC
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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
G04B21/00—Indicating the time by acoustic means
G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
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FR640331D1927-08-311927-08-31Perfectionnement aux mouvements d'horlogerie pour carillons dits <<westminster>>, outous autres, comportant un système de sonnerie fonctionnant aux quarts
ExpiredFR640331A
(fr)
Perfectionnement aux mouvements d'horlogerie pour carillons dits <<westminster>>, outous autres, comportant un système de sonnerie fonctionnant aux quarts
Perfectionnement aux mouvements d'horlogerie pour carillons dits <<westminster>>, outous autres, comportant un système de sonnerie fonctionnant aux quarts