TREA

Insulating layer or body located between heater and emissive material

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Industry

  • CPC
  • H01J19/18
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J19/00Details of vacuum tubes of the types covered by group H01J21/00

Current Industry

H01J19/18Insulating layer or body located between heater and emissive material
Industries