发明名称 Realignment tool for aperture mating surface
摘要 A tool for realigning a warped aperture mating surface of a flanged oil sump comprising a flange engaging yoke, a force member, and an aperture engaging member coacting with said yoke and said force member to realign said warped surface.
申请公布号 US4878371(A) 申请公布日期 1989.11.07
申请号 US19840687779 申请日期 1984.12.31
申请人 HULL, ROBERT W. 发明人 HULL, ROBERT W.
分类号 B21D1/10 主分类号 B21D1/10
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