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Hoisting device and hoisting method for building wall
Rail steering device, cart traveling mechanism and quay crane
LNG CARRIER REFRIGERATION MICRO-POWER AIR CONDITIONING SYSTEM
LNG (Liquefied Natural Gas) vehicle and ship refrigeration micro-power air conditioning system
Gesture control system of fish and shrimp pumping fishing device
Lying seat with four-connecting-rod mechanism for assisting in increasing front space
Large-volume coal hopper car in type with outwards projected end walls
Double-safety-belt framework of automobile two-row six-part seat
Riverway sand excavation management system suitable for dry mining supervision
Eccentric semi-submersible buoy type shore temperature automatic measuring and reporting device