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Application filed by J P Robert & CiefiledCriticalJ P Robert & Cie
Publication of CH1276163A4publicationCriticalpatent/CH1276163A4/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
G—PHYSICS
G04—HOROLOGY
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
G04B19/00—Indicating the time by visual means
G04B19/30—Illumination of dials or hands
G04B19/32—Illumination of dials or hands by luminescent substances
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH1276163D1963-10-171963-10-17Procédé de fabrication d'une partie d'une pièce d'horlogerie pourvue d'au moins un repère luminescent
CH1276163A4
(fr)