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Data processing method and device
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Driving training system as well as information processing method and device
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Secondary overvoltage protection circuit for lithium battery protection boards
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Delay control circuit for floodlight
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Signal receiving circuit for automobile finding device
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Automatic switch for headlight
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Airless alarm for vehicle tire
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Lithium battery protection based on-board PTC (positive temperature coefficient) protection circuit
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Computer device with projection function
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Photoelectric induction type safety warning lamp used for construction site
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Night illumination device controlled by door lock
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External voltage free protection controller for motor phase loss
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Wireless anti-theft transmitter for parking lots
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Timing circuit for small industrial equipment
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Signal amplification circuit for pulse detection device
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CN104639120A
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Filter shaping circuit for heart rate collection
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Harmful gas detection system based on Internet of Things
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CN104637228A
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Fire alarm system based on Internet of Things
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Heart rate testing instrument with high anti-jamming capacity
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CN104622482A
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Metal stress measuring instrument
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