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发明名称
Process for treating manganese ores
摘要
申请公布号
US2154128(A)
申请公布日期
1939.04.11
申请号
US19360114973
申请日期
1936.12.09
申请人
JACOBS ALBERT L
发明人
JACOBS ALBERT L.
分类号
C01G45/02;C22B47/00
主分类号
C01G45/02
代理机构
代理人
主权项
地址
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