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专利名称：Load-lifting and centering device发明人：Edwin H. Roxby申请号：US05/885414申请日：19780310公开号：US04176818A公开日：19791204
摘要：A load-lifting and centering device is given whereby a load device in the form ofa rack supported by legs is capable of self- centering during a lifting procedure wherebythe same is centered laterally, longitudinally, and in a level position, and finally lockinginto place so that the portable rack and load are firmly connected to a vehicle while intransit.
申请人：ROXBY, EDWIN H
代理人：James H. Laughlin, Jr.
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