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经营范围
发明名称
Method for removing arsenic from iron ores
摘要
申请公布号
US3380819(A)
申请公布日期
1968.04.30
申请号
US19660523716
申请日期
1966.01.28
申请人
PREMIUM IRON ORES LIMITED
发明人
CAVANAGH PATRICK EDGAR
分类号
C22B1/02;C22B1/11;C22B1/14
主分类号
C22B1/02
代理机构
代理人
主权项
地址
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