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A kind of system for managing video
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A kind of smart jack
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A kind of energy conserving system
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A kind of communication system
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A kind of safety driving system
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A kind of video optimized storage system
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A kind of Supermarket Management System
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A kind of wireless transmitting-receiving equipments
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A kind of intelligent gateway
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A kind of c bookmart
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A kind of video monitoring system
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A kind of safety-protection system
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A kind of RFID reader
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A kind of read write line
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