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Application filed by Chatelain J ArthurfiledCriticalChatelain J Arthur
Publication of CH7443ApublicationCriticalpatent/CH7443A/en
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
G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
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Physics & Mathematics
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General Physics & Mathematics
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CH7443A1893-12-261893-12-26
Advanced case back for watch case, locket, etc.
CH7443A
(en)