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person:(zhang, ding)
Assembly type building prefabricated part assembling device and method
Inspection robot rail for coal mine fully mechanized face and rail traveling method
Vibration absorption device, panoramic sunroof and automobile
Modularized amphibious intelligent cleaning robot capable of achieving multi-machine cooperation
Pure electric multifunctional train carriage leaking stoppage vehicle
Park logistics property vehicle management shifting equipment
Large-diameter pipe jacking long-distance pipe withdrawing force transmission device
Large-drift-diameter rectangular sealed cabin door device of manned spacecraft
Multifunctional portable municipal well lid opening tool
Distributed shared machine nest and power line unmanned aerial vehicle inspection method thereof
Manufacturing method of aerospace craft cabin section and aerospace craft cabin section