CN110581747A
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Unmanned aerial vehicle collision prevention system for high-voltage transmission line
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CN110503746A
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A kind of access control system of office block
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CN110498160A
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A kind of state monitoring method of dustbin
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CN110504598A
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A kind of higher socket of security protection performance
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CN110505545A
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The method for playing audio for earphone
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CN110502247A
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A kind of method of fast discharging application program
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Method convenient for solving locked application
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CN110503745A
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Convenient for the access control system temporarily entered and left
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CN110502246A
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Convenient for the recommended method of application program unloading
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CN110503837A
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A kind of parking stall sort management method in parking lot
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CN110495785A
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A kind of water level monitoring system of water dispenser
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CN1651791A
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Disk type brake for rear axle of automobile
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