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Class Information
Number: 968/838
Name: Horology > Apparatus for measuring unknown time intervals by electromechanical means [g04f 8/00] > Using continuously running driving means [g04f 8/00b]
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
4655606 Timepiece comprising at least one chronograph function Apr. 7, 1987
4389122 Clock with electric oscillator-controlled motor Jun. 21, 1983



 
 
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