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Workpiece transmission device and method controlled by servo module
Variable-track current collector and electric vehicle
Tumor pathological specimen sampling adjustable fixator
Single-slide-plate pantograph head assembly structure and rail vehicle
Portable underground water sampling and detecting integrated equipment and use method
Intelligent overrun detection device and method for road and rail transit intersection
Intelligent AI image anti-collision system of industrial forklift
Flying and attaching cartridge receiver mounting vehicle
Flexible fin fluctuation propelling type amphibious bionic robot