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Application filed by Balland & CofiledCriticalBalland & Co
Publication of CH55232ApublicationCriticalpatent/CH55232A/fr
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
G04B37/00—Cases
G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
G04B37/1446—Means for suspending pocket-, or other types of watches, e.g. on small chains
G04B37/1453—Construction and manufacture of case crown and clip
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Engineering & Computer Science
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Manufacturing & Machinery
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Physics & Mathematics
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General Physics & Mathematics
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CH55232A1910-12-081910-12-08Pendant en deux métaux dont l'un forme une couche superficielle revêtant l'autre et procédé pour sa fabrication
CH55232A
(fr)