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Class Information
Number:
968/835
Name:
Horology
>
Apparatus for measuring unknown time intervals by mechanical means [g04f 7/00]
>
Using a mechanical oscillator [g04f 7/04]
> Watches or clocks with stop devices, e.g., chronograph, etc. [g04f 7/08]
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4922474
Timepiece and method for its realization
May. 1, 1990
4445783
System for the control of a wheel for driving in rotation a chronograph hand
May. 1, 1984
RE30852
Electronic timepiece
Jan. 19, 1982
4145873
Timing device for accumulating a telephone long distance call charge
Mar. 27, 1979
4037398
Digital timer and time indicator drums therefor
Jul. 26, 1977
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