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Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys?keyword=Device for lifting and positioning of object, comprising stationary drive acting on second axle with use of return pulleys 专利,更快更准确