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Application filed by Gisiger ArminfiledCriticalGisiger Armin
Publication of CH296728ApublicationCriticalpatent/CH296728A/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
G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
G04B37/225—Non-metallic cases
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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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CH296728D1952-03-041952-03-04Procédé de fabrication d'une boîte de montre étanche à fond rapporté, et boîte de montre étanche obtenue par ce procédé.
CH296728A
(fr)