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发明名称
PROCESSO DE CONCENTRACAO DE MINERIO DE FERRO POR FLUTUACAO CATIONICA E ANIONICA
摘要
申请公布号
BR7605200(A)
申请公布日期
1978.02.28
申请号
BR19760005200
申请日期
1976.08.09
申请人
VALE DO RIO DOCE CO
发明人
VIANA A;ANDRADE V
分类号
B03D1/02;(IPC1-7):B03D1/02
主分类号
B03D1/02
代理机构
代理人
主权项
地址
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