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公开(公告)号：US2326418A
公开(公告)日：1943-08-10
申请号：US38106441
申请日：1941-02-28
Applicant: TECHNICAL CASTING & MFG CO
Inventor： AMERONGEN WILLIAM VAN , BOYCE JOHN N
IPC: B22D19/00
CPC classification number: B22D19/0018
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