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A kind of brake device for elevator
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A kind of stair power generator
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A kind of Classified refuse can
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A kind of equipment for soil collection
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A kind of automatic irrigation device that municipal administration gardens use
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A kind of anti-down wheelchair
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A kind of wheelchair of falling-resistant
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A kind of disabled person's safe wheelchair
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A kind of wheelchair that anti-fast running is fallen down in the process
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A kind of safety type wheelchair for disabled
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A kind of Anti-tipping wheel chair
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A kind of fast row Anti-falling wheelchair
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A kind of overturning-preventing safety type wheelchair for disabled
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A kind of stealthy optical cable in interior easy to install
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A kind of Song Xian mechanisms for optical cable production line
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A kind of optical cable production line tank for being easy to adjust
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A kind of medical infusion warning system and alarm method
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A kind of Intelligent cup cup lid with fingerprint identification function and its uncap and locking closure method
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A kind of steel aluminium strip splitting system with deviation correcting device function
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A kind of electric power is combined water supply line
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