TREA

Non-electric lighting devices or systems using daylight

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Industry

  • CPC
  • F21S11/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21SNON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF

Current Industry

F21S11/00Non-electric lighting devices or systems using daylight

Sub Industries

F21S11/002characterised by the means for collecting or concentrating the sunlight F21S11/005with tracking means for following the position of the sun F21S11/007characterised by the means for transmitting light into the interior of a building
Industries