CPC Main Group
H01F 30/00 Fixed transformers not covered by group H01F19/00
3 direct subcodes
Child Classifications
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- H01F 30/02 Auto-transformers
- H01F 30/04 having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies
- H01F 30/06 characterised by the structure