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Publication of CH247270ApublicationCriticalpatent/CH247270A/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
G04B37/08—Hermetic sealing of openings, joints, passages or slits
G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
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Physics & Mathematics
(AREA)
General Physics & Mathematics
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CH247270D1943-05-241943-05-24Dispositif assurant l'étanchéité du joint entre une couronne de remontoir et le tube de guidage de sa tige.
CH247270A
(fr)