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person:("Liu, minghui")
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person:("Liu, yonghui")
Safety gear lifting device, and elevator car and using method therefor
Displacement and lifting adjustable low-noise axial flow fan
LINEAR DRIVING APPARATUS, SAFETY GEAR APPARATUS, AND METHOD FOR CONTROLLING ELEVATOR SYSTEM
Road network missing data restoration method based on multi-view space-time confrontation framework
Ventilation oil tank for aircraft lubricating oil system