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PCE
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IPC Subgroup
H01K 1/04

characterised by the material thereof

Introduced: September 1968

Last revised: January 2006

Full Title

Details > Incandescent bodies > characterised by the material thereof

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ELECTRIC INCANDESCENT LAMPS

4 direct subcodes

Child Classifications

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  • H01K 1/06 Carbon bodies
  • H01K 1/08 Metallic bodies
  • H01K 1/1 Bodies of metal or carbon combined with other substance
  • H01K 1/12 Bodies which are non-conductive when cold, e.g. for Nernst lamp