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Publication of CH160214ApublicationCriticalpatent/CH160214A/de
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
G04B13/00—Gearwork
G04B13/02—Wheels; Pinions; Spindles; Pivots
G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
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Physics & Mathematics
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CH160214D1931-01-031931-12-09Verfahren zur Herstellung einer kohlenstoffarmen Chromeisenlegierung.
CH160214A
(de)