TREA

Cylindrical, helical or annular grids

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Industry

  • CPC
  • H01J2893/0017
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2893/00Discharge tubes and lamps

Current Industry

H01J2893/0017Cylindrical, helical or annular grids
Industries