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CA2634557A1
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Sucker rod
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US4220221A
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Method and apparatus for producing a speed pattern for an elevator car or similar vehicle
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CA901881A
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Door suspension system
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Motor speed control
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GB1111735A
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Proximity sensing device
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Phase sequene sensing circuit
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Method and means for Controlling Elevator Cars
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GB1094760A
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Control system for elevators
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CA797615A
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Elevator roller guide assembly
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Method and means for controlling elevator cars
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CA890217A
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Control assembly for gas-operated hydrostatic apparatus, and gas-operated, hydrostatic apparatus incorporating such a control assembly
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CA864727A
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Proximity sensing device
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CA806337A
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Phase sequence sensing circuit
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CA806948A
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Door toe guide
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CA844764A
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Overspeed control means
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CA876926A
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Bridge amplifier circuit
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CA844192A
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Load weighing means for elevator cars
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