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公开(公告)号：US2944468A
公开(公告)日：1960-07-12
申请号：US53542855
申请日：1955-09-20
Applicant: CINCINNATI SHAPER CO
Inventor： HAZELTON MERRILL W , GRIESHEIMER RICHARD E , ALLNUTT JAMES M
IPC: B23D1/08
CPC classification number: B23D1/08 , Y10T74/19405 , Y10T409/505248 , Y10T409/506232 , Y10T409/50738 , Y10T409/507872 , Y10T409/508036 , Y10T409/509184
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