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公开(公告)号：US3303983A
公开(公告)日：1967-02-14
申请号：US41059464
申请日：1964-11-12
Applicant: GEN DYNAMICS CORP
Inventor： PATRICK GEORGE D , ARCHIBALD KENNETH S
IPC: B23K3/06
CPC classification number: B23K3/0661
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