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Obstruction detection system

B - Operations – Transporting – 66 – B
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Operating system for lift doors

B - Operations – Transporting – 66 – B
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Optically-coupled sensing and control system

B - Operations – Transporting – 66 – B
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Optimized "up peak" elevator channeling system with...

B - Operations – Transporting – 66 – B
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Optimized diverting pulley arrangement for traction sheave...

B - Operations – Transporting – 66 – B
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Orienting and positioning apparatus for article handling

B - Operations – Transporting – 66 – B
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Oscillation-damping control of motor torque for mine hoist

B - Operations – Transporting – 66 – B
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Outside rescue elevator system

B - Operations – Transporting – 66 – B
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Overhead self-levelling lift system for transporting...

B - Operations – Transporting – 66 – B
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Overhead supporting beam for an elevator door and a door...

B - Operations – Transporting – 66 – B
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Overspeed prevention system for elevator cars

B - Operations – Transporting – 66 – B
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