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公开(公告)号：US3526748A
公开(公告)日：1970-09-01
申请号：US3526748D
申请日：1968-08-02
Applicant: GEN DYNAMICS CORP
Inventor： RIENKS FRITS
CPC classification number: B23K9/0956
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公开(公告)号：US3522411A
公开(公告)日：1970-08-04
申请号：US3522411D
申请日：1966-11-28
Applicant: GEN DYNAMICS CORP
Inventor： RIENKS FRITS
CPC classification number: B23K9/091
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