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180-degree turnover locating device, has locating pin matched to locating pin hole, and positioning plate whose surface is matched with V-shaped groove and sides of V-shaped groove are matched with axis of inverted mandrel. 专利
申请日期: 2018-01-01, 公开日期: 2018-03-23
作者:  LING S YU B JIA Y WANG K WANG X WAN
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