DIFF Subgroup
G04B 18/04 Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
Introduced: January 1980
Full Title
Mechanisms for setting frequency > Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- G04B 18/06 by setting the collet or the stud of a hairspring since 1980 IPC+CPC Available in IPC and CPC