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发明名称
Method for the treatment of iron ores
摘要
申请公布号
US2973260(A)
申请公布日期
1961.02.28
申请号
US19580770718
申请日期
1958.10.30
申请人
YUKIO NOGIWA
发明人
NOGIWA YUKIO
分类号
C21B13/00
主分类号
C21B13/00
代理机构
代理人
主权项
地址
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