IPC Main Group
H01F 36/00 Transformers with superconductive windings or with windings operating at cryogenic temperatures
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES