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公开(公告)号：US3115249A
公开(公告)日：1963-12-24
申请号：US74692658
申请日：1958-07-07
Applicant: REYNOLDS METALS CO
Inventor： PETER ZOURAEFF , FORREST ANDREW G
CPC classification number: B21C23/32 , B21C25/02 , C10M5/00 , C10M2201/05 , C10M2201/103 , C10M2201/14 , C10N2240/40 , C10N2250/10
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