TREA

Cooling, heating, circulating, filtering, or controlling level of the liquid

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Industry

  • CPC
  • H01J13/14
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J13/00Discharge tubes with liquid-pool cathodes

Current Industry

H01J13/14Cooling, heating, circulating, filtering, or controlling level of the liquid
Industries