TREA

Means for interchanging parts of the lens

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Industry

  • CPC
  • H01J37/1413
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge

Current Industry

H01J37/1413Means for interchanging parts of the lens
Industries