TREA

the coupled helices being disposed coaxially around one another

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Industry

  • CPC
  • H01J23/52
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

Current Industry

H01J23/52the coupled helices being disposed coaxially around one another
Industries