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+person:("REN zhang")
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+person:("REN cheng")
Intelligent air outlet assembly and vehicle comprising same
Air conditioner air outlet control system for vehicle and air conditioner for vehicle
Control system for air outlet of air conditioner in vehicle and air conditioner for vehicle
Stabilizing assembly and gear ring transportation equipment
Method and structure for enhancing crawler belt driving efficiency of driving wheel
Device for assisting people with visual impairment in taking bus
ETC parking online transaction system compatible with license identification equipment
Quad-rotor unmanned aerial vehicle with wadding suction device
Highway road condition monitoring and early warning device