A kind of short distance VIN code inscription rubbing mechanism
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A kind of the inscription rubbing method and inscription rubbing system of the inscription rubbing of VIN code
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A kind of VIN codes scanning means and control method
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Safety warning mark detector
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VIN code encryption and rubbing device for sound control supplementing light
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Sound control light supplement VIN area ultrasonic detecting device
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VIN code encryption rubbing device based on ultrasonic positioning
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A kind of barrier system for prompting mounted on the helmet
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Bluetooth control-based VIN code encryption rubbing apparatus
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A kind of VIN code encryption inscription rubbing device
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Obstacle reminding system
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A kind of VIN code encryption inscription rubbing device based on Bluetooth control and location
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A kind of VIN code region supersonic detection device
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VIN (Vehicle Identification Number) code encryption and rubbing device based on double positioning of Bluetooth and ultrasound waves
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A kind of high adsorption composite snow-melting deicer and preparation method thereof
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A kind of low corrosion environmental protection composite snow-melting deicer and preparation method thereof
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A kind of intelligent machine motor-car failure warning system
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Ice-resistant special composite snow melting deicing agent for port and making method of ice-resistant special composite snow melting deicing agent
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Composite snow melting and deicing agent prepared from marble debris and specially used for high-voltage cables and electric wires and preparation method of composite snow melting and deicing agent
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A kind of device measuring retro-reflecting coefficient
