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Installation and adjustment tool for roller guide shoes of backpack frame elevator
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Roller guide shoe of backpack type elevator, installation and adjustment method of roller guide shoe and backpack type elevator with roller guide shoe
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Elevator maintenance system
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Elevator braking device capable of being synchronously lifted and elevator
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Adjustable elevator safety braking device, elevator and adjusting method
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Method for constructing elevator component performance model
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Targeted non-contact button, elevator button panel and elevator equipment
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Elevator service quality evaluation method
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Rolling guide shoe capable of changing fulcrum and backpack type elevator
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Rolling guide shoe capable of changing tire width and backpack type elevator
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Elevator destination floor allocation method
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Elevator guide rail connecting structure and elevator
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