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PCE
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DIFF Subgroup
G04C 21/34

Devices on watches or similar portable timepieces

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices on watches or similar portable time-pieces

CPC: Devices on watches or similar portable timepieces

Full Title

Full titles differ between systems:

IPC:

Producing acoustic time signals by electrical means > producing the signals at adjustable fixed times > Devices on watches or similar portable time-pieces

CPC:

Producing acoustic time signals by electrical means > producing the signals at adjustable fixed times > Devices on watches or similar portable timepieces

No child classifications to compare. This is a leaf node in both IPC and CPC.