DIFF Subgroup
G08B 29/02 Monitoring continuously signalling or alarm systems
Introduced: January 1990
Full Title
Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation > Monitoring continuously signalling or alarm systems
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- G08B 29/06 Monitoring of the line circuits, e.g. signalling of line faults since 1990 IPC+CPC Available in IPC and CPC