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发明名称
Process of treating iron ores
摘要
申请公布号
US1898702(A)
申请公布日期
1933.02.21
申请号
US19280254805
申请日期
1928.02.16
申请人
SULPHIDE CORPORATION
发明人
WESCOTT ERNEST W.
分类号
C22B1/08
主分类号
C22B1/08
代理机构
代理人
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地址
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