TREA

Arrangements for effecting simultaneous opening or closing of cage and landing doors

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Industry

  • CPC
  • B66B13/12
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings

Current Industry

B66B13/12Arrangements for effecting simultaneous opening or closing of cage and landing doors
Industries