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公开(公告)号：US2469237A
公开(公告)日：1949-05-03
申请号：US62460845
申请日：1945-10-25
Applicant: REYNOLDS METALS COMPANY INC
Inventor： MASON JAMES F , BEEBE JR AUSTIN H
IPC: C25D11/20
CPC classification number: C25D11/20
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