DIFF Main Group
H01F 30/00 Fixed transformers not covered by group H01F19/00
Introduced: January 1995
Title
Titles differ between systems:
IPC: Fixed transformers not covered by group
CPC: Fixed transformers not covered by group H01F19/00
Full Title
Full titles differ between systems:
IPC:
Fixed transformers not covered by group
CPC:
Fixed transformers not covered by group H01F19/00
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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- H01F 30/04 having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies since 1995 IPC+CPC Available in IPC and CPC