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公开(公告)号:US3197996A
公开(公告)日:1965-08-03
申请号:US24306662
申请日:1962-12-07
Applicant: BUDD CO
Inventor: ZEDER JR JOHN H
CPC classification number: B21D53/883 , B21D22/02 , B21D37/10
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公开(公告)号:US3154664A
公开(公告)日:1964-10-27
申请号:US24306562
申请日:1962-12-07
Applicant: BUDD CO
Inventor: ZEDER JR JOHN H
CPC classification number: B23H9/12 , B21D37/205 , Y10T83/9425
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