DIFF Subgroup
H01F 38/22 for single phase AC
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Adaptations of transformers or inductances for specific applications or functions > Instrument transformers > for single phase AC
CPC:
Adaptations of transformers or inductances for specific applications or functions > Instruments transformers > for single phase AC
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1995.
Child Classifications
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