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发明名称
FROTHER METHOD OF PRODUCING IT AND METHOD OF CONCENTRATING MINERALS BY BY FLOTATION
摘要
申请公布号
ZM7777(A1)
申请公布日期
1980.02.21
申请号
ZM19770000077
申请日期
1977.10.26
申请人
NATIONAL CHEM PROD LTD
发明人
分类号
B03D1/00;(IPC1-7):B03D1/00
主分类号
B03D1/00
代理机构
代理人
主权项
地址
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