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发明名称
Method of producing and treating aluminum alloy castings
摘要
申请公布号
US2263823(A)
申请公布日期
1941.11.25
申请号
US19390307882
申请日期
1939.12.06
申请人
THE NATIONAL SMELTING COMPANY
发明人
BONSACK WALTER;WEIL WALTER M.
分类号
C22F1/04
主分类号
C22F1/04
代理机构
代理人
主权项
地址
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