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经营范围
发明名称
Manganese alloy
摘要
申请公布号
US2259459(A)
申请公布日期
1941.10.21
申请号
US19390300799
申请日期
1939.10.23
申请人
CHICAGO DEVELOPMENT COMPANY
发明人
DEAN REGINALD S.
分类号
C22C28/00
主分类号
C22C28/00
代理机构
代理人
主权项
地址
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