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公开(公告)号:US3345843A
公开(公告)日:1967-10-10
申请号:US39796164
申请日:1964-09-21
Applicant: GEN DYNAMICS CORP
Inventor: GOLDEN MARTIN P , PAUL WILDI
IPC: B21D26/12
CPC classification number: B21D26/12
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公开(公告)号:US3338080A
公开(公告)日:1967-08-29
申请号:US39773764
申请日:1964-09-21
Applicant: GEN DYNAMICS CORP
Inventor: GOLDEN MARTIN P
CPC classification number: B21D26/12 , B21C37/0807 , B21D26/08
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