TREA

with external electrostatic control means and with or without internal control electrodes

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Industry

  • CPC
  • H01J21/16
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J21/00Vacuum tubes

Current Industry

H01J21/16with external electrostatic control means and with or without internal control electrodes
Industries