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Automatic lifting platform integrated car, has inner pipe whose bottom end is provided with baffle plate and top end is provided with screw thread, and pressing block and single-way limit block connected with each other. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-08
作者:  HAN X HU P WANG S ZHANG M YAO B JIE
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