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发明名称
Process of and apparatus for treating metallic ores
摘要
申请公布号
US1885412(A)
申请公布日期
1932.11.01
申请号
US19280286789
申请日期
1928.06.20
申请人
BUSKETT EVANS W
发明人
BUSKETT EVANS W.
分类号
C22B19/36
主分类号
C22B19/36
代理机构
代理人
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地址
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