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发明名称
PROCESSO DE FLOTACAO DE CARVAO MINERAL
摘要
申请公布号
BR8302811(A)
申请公布日期
1985.01.15
申请号
BR19830002811
申请日期
1983.05.27
申请人
PETROLEO BRASILEIRO S/A - PETROBRAS
发明人
CARLOS LEONEL IMENES
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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