IPC Subgroup
H01F 38/4 for DC
Introduced: January 1995
Last revised: January 2006
Full Title
Adaptations of transformers or inductances for specific applications or functions > Instrument transformers > for DC
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES