DIFF Main Group
G04C 10/00 Arrangements of electric power supplies in time-pieces
Introduced: January 1980
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- G04C 10/04 with means for indicating the condition of the power supply since 1980 IPC+CPC Available in IPC and CPC