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发明名称
Metal refining process
摘要
申请公布号
US2593505(A)
申请公布日期
1952.04.22
申请号
US19480020202
申请日期
1948.04.10
申请人
HYDROCARBON RESEARCH, INC.
发明人
WAGSTAFF JAMES B.
分类号
C21C5/04
主分类号
C21C5/04
代理机构
代理人
主权项
地址
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