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公开(公告)号：US1347477A
公开(公告)日：1920-07-20
申请号：US10313616
申请日：1916-06-12
Applicant: ALUMINUM CASTINGS COMPANY
Inventor： ALLYNE EDMUND E , WESLEY COLLINS JOHN
IPC: F16J10/04
CPC classification number: F16J10/04 , Y10T29/4927
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