TREA

producing fields exhibiting symmetry of revolution

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Industry

  • CPC
  • H01J29/622
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/622producing fields exhibiting symmetry of revolution
Industries