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CN107993517A
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A kind of displaying device easy to drawing teaching demonstration
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CN107995534A
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A kind of teleeducation system
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CN107967724A
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A kind of equipment of registering of the automatic attendance of bluetooth
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CN107895408A
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A kind of attendance recorder of face identification functions
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CN108022319A
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A kind of with protecting cover fingerprint attendance is registered equipment
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CN107909893A
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The auxiliary device that a kind of English education teaching uses
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CN107895407A
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A kind of fingerprint attendance sign-in machine
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CN107993500A
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A kind of mobile terminal device based on long-distance education
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CN107978027A
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A kind of fingerprint attendance that can be positioned is registered equipment
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CN107945303A
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A kind of portable remote location fingerprint attendance recorder
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CN107945302A
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A kind of fingerprint attendance fixing device
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CN107990119A
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Projecting apparatus mounting bracket is used in one kind teaching
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CN107995475A
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A kind of monitoring device based on Internet of Things
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CN108090985A
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A kind of bluetooth attendance sign-in machine
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CN107978028A
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A kind of desktop type fingerprint attendance is registered equipment
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CN106332216A
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Point-to-point communication method between vehicles
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CN106254250A
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Car networking short-distance networking method
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CN106338755A
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Internet-of-Vehicles-based vehicle navigation method
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CN106250912A
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Vehicle position acquisition method based on image
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CN106131556A
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Mobile unit image signal transmission method
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