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经营范围
发明名称
Treatment of iron ores
摘要
申请公布号
US2776207(A)
申请公布日期
1957.01.01
申请号
US19510219363
申请日期
1951.04.05
申请人
BETHLEHEM STEEL COMPANY
发明人
MANCKE EDGAR B.
分类号
C21B15/00;C22B3/08
主分类号
C21B15/00
代理机构
代理人
主权项
地址
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