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A kind of lift car IC card button extension control circuit
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A kind of new elevator calling box locking mechanism and its mode
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A kind of wall-hanging disabled person control handwheel
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A kind of fire-fighting rack control handwheel
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A kind of novel elevator IC card system
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Elevator cage guide groove clears up guide shoe automatically
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A kind of thin-type wall-mounted type stainless steel outline border calling indicator
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A kind of new leveling switch detection means
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A kind of fire-fighting rack calls indicator
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A kind of Novel rotary hinge type manipulates dish structure
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A kind of mobile phone calling elevator system
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Station indication system
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Adjustable time-delay controller
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A kind of can be with the speech control system of acoustic control call
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A kind of elevator outer calling hall buttons
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A kind of novel 3D light curtain structure
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A kind of touch projection control handwheel
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A kind of outer trick plate of Auto-matching elevator device
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A kind of without back box calling indicator structure
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A kind of ten cun of screen machine elevator control dials
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