TREA

Non-electric hand-lamps for miners

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Industry

  • CPC
  • F21L23/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION

Current Industry

F21L23/00Non-electric hand-lamps for miners
Industries