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Publication of CH60153ApublicationCriticalpatent/CH60153A/de
Application filed by Fritz WittfiledCriticalFritz Witt
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
G04B37/08—Hermetic sealing of openings, joints, passages or slits
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH60153D1912-05-101912-05-10Staubdichtung fur die hammeroffnung an weckeruhren mittelst einer elastischen, den hammerstiel umfassenden membran.
CH60153A
(de)