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CPC
G04B11/026
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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
G04B11/00
Click devices Stop clicks Clutches
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G04B11/026
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last 30 patents
Information
Patent Grant
Escapement with escape wheel with field ramps and non-return
Patent number
10,054,908
Issue date
Aug 21, 2018
The Swatch Group Research and Development Ltd.
Gianni Di Domenico
G04 - HOROLOGY
Information
Patent Grant
3673791
Patent number
3,673,791
Issue date
Jul 4, 1972
G04 - HOROLOGY