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Application filed by Fritz HessfiledCriticalFritz Hess
Publication of CH61232ApublicationCriticalpatent/CH61232A/fr
G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
G04D3/0043—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms
G04D3/0048—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for components of the time-indicating mechanisms for dials
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH61232A1912-05-181912-05-18Procédé de creusage de l'émail des cadrans de pièces d'horlogerie
CH61232A
(fr)