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发明名称
Method of refining metals
摘要
申请公布号
US2839382(A)
申请公布日期
1958.06.17
申请号
US19560572686
申请日期
1956.03.20
申请人
HUTTENWERK OBERHAUSEN AKTIENGESELLSCHAFT
发明人
GRAEF RUDOLF F.
分类号
C21C5/28
主分类号
C21C5/28
代理机构
代理人
主权项
地址
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