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High-speed elevator decompression kuppe
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High-speed elevator braking device
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Control system of high-speed elevator
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Elevator remote data acquisition method and system
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Elevator group control station forecasting system and using method thereof
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Assembled steel strip elevator counterweight housing
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Anti-bouncing device of ultra-high-speed elevator
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Real-time monitoring method for load rate of elevator
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Electrical control system suitable for freezer goods lift
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Double-channel elevator door lock loop electronic detection system and method
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Novel electric brake releasing system for elevator and using method thereof
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Simple and easy car of transportation counterweight iron
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Band-type brake failure protection system for elevator
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Lower support type car frame structure of rhombic car
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Disconnect-type safety tongs linkage and carry and draw mechanism
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Elevator hall landing speech recognition registration device
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Upper beam structure with underneath type household ladder diversion sheave and safe overhaul
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Waterproof car roof junction box for elevator
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Elevator composite belt transmission system
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Elevator aluminum alloy well structure
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