TREA

by light filters by coloured coatings in or on the envelope

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Industry

  • CPC
  • H01J61/40
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J61/00Gas- or vapour-discharge lamps

Current Industry

H01J61/40by light filters by coloured coatings in or on the envelope
Industries