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USB (universal serial bus) electronic encryption lock
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Intelligently controlled socket
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Temperature sensor radiating device
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Bluetooth encryption device
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Electromagnetic relay mechanical life test device
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Automobile steering wheel control system based on Bluetooth
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Intelligent braking system
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Family power supply monitoring device
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LED constant-current driving method
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Intelligent exhaust fan
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Lighting device
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Antitheft device based on roll-up window
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Electronic coded lock anti-theft method and device
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Antitheft method and apparatus based on bright-light lamp
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Electronic anti-theft method and device of safe box
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Foot-pedal type thermal therapy healthcare chair
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Classroom energy-saving lamp control system
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Lamp with clocked appointment function
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Heatable pen
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