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PCE
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DIFF Subgroup
G04B 17/20

Compensation of mechanisms for stabilising frequency

Introduced: September 1968

Title

Titles differ between systems:

IPC: Compensation of mechanisms for stabilizing frequency

CPC: Compensation of mechanisms for stabilising frequency

Full Title

Full titles differ between systems:

IPC:

Mechanisms for stabilising frequency > Compensation of mechanisms for stabilizing frequency

CPC:

Mechanisms for stabilising frequency > Compensation of mechanisms for stabilising frequency

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • G04B 17/24 for the effect of variations of atmospheric pressure IPC+CPC Available in IPC and CPC
  • G04B 17/26 for the effect of variations of the impulses IPC+CPC Available in IPC and CPC