TREA

LIGHT SOURCES NOT OTHERWISE PROVIDED FOR

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Industry

  • CPC
  • F21K

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting

Current Industry

F21KLIGHT SOURCES NOT OTHERWISE PROVIDED FOR

Sub Industries

F21K2/00Light sources using luminescence F21K5/00Light sources using a charge of combustible material F21K9/00Electric lamps using semiconductor devices as light generating elements F21K99/00Subject matter not provided for in other groups of this subclass
Industries