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经营范围
发明名称
Frothers demonstrating enhanced recovery of coarse particles in froth floatation
摘要
申请公布号
USRE32778(E)
申请公布日期
1988.11.08
申请号
US19860923523
申请日期
1986.10.27
申请人
发明人
分类号
B03D1/008
主分类号
B03D1/008
代理机构
代理人
主权项
地址
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