IPC Subgroup
H01T 4/1 having a single gap or a plurality of gaps in parallel
Introduced: January 1985
Last revised: January 2006
Full Title
Overvoltage arresters using spark gaps > having a single gap or a plurality of gaps in parallel
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
2 direct subcodes
Child Classifications
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