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公开(公告)号：US3245102A
公开(公告)日：1966-04-12
申请号：US32640363
申请日：1963-11-27
Applicant: WISE MACHINE COMPANY
Inventor： GALLMEYER DAVID M , JOHN D AMORE
CPC classification number: B21C43/04 , B08B1/02 , B08B1/04 , B21B45/0275 , B21B45/06
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