TREA

using photoelectric cells

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Industry

  • CPC
  • E05F15/74
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Parent Industries

EFIXED CONSTRUCTIONS E05Locks, keys, safes E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION CHECKS FOR WINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING E05F15/00Power-operated mechanisms for wings

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E05F15/74using photoelectric cells
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