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发明名称
METHOD OF FLOTATING USEFUL MINERALS
摘要
申请公布号
PL120993(B2)
申请公布日期
1982.04.30
申请号
PL19800224985
申请日期
1980.06.14
申请人
发明人
分类号
B03D;B03D1/02;(IPC1-7):B03D1/02
主分类号
B03D
代理机构
代理人
主权项
地址
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