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发明名称
Method of mechanically separating mineral mixtures
摘要
申请公布号
US2189698(A)
申请公布日期
1940.02.06
申请号
US19370165220
申请日期
1937.09.22
申请人
METALLGESELLSCHAFT A. G.
发明人
BIERBRAUER ERNST
分类号
B03D1/00;B07B13/00
主分类号
B03D1/00
代理机构
代理人
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