IPC Subgroup
H01F 27/33 Arrangements for noise damping
Introduced: September 1968
Last revised: January 2006
Full Title
Details of transformers or inductances, in general > Arrangements for noise damping
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES