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经营范围
发明名称
Grain refining magnesium alloys
摘要
申请公布号
US2448993(A)
申请公布日期
1948.09.07
申请号
US19440551422
申请日期
1944.08.26
申请人
RECONSTRUCTION FINANCE CORPORATION
发明人
MAHONEY CHARLES H.;LEE HARLEY C.;TARR ALLAN L.;GRAND PIERRE E. LE
分类号
C22C1/02
主分类号
C22C1/02
代理机构
代理人
主权项
地址
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