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公开(公告)号：US1383517A
公开(公告)日：1921-07-05
申请号：US34040619
申请日：1919-11-24
Applicant: ALUMINUM CASTINGS COMPANY
Inventor： BEZZENBERGER FRED K , RICH MALCOLM N
IPC: B22F3/26
CPC classification number: B22F3/26
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