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公开(公告)号：US3333628A
公开(公告)日：1967-08-01
申请号：US40284364
申请日：1964-10-09
Applicant: STERLING DETROIT COMPANY
Inventor： CANNER HERMAN M
IPC: B22D17/20
CPC classification number: B22D17/2084 , Y10T74/1896
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