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发明名称
A FROTH FLOTATION PROCESS
摘要
申请公布号
ZA9009347(B)
申请公布日期
1991.09.25
申请号
ZA19900009347
申请日期
1990.11.21
申请人
BETACHEM (PROPRIETARY) LIMITED
发明人
JOHN ROBIN SHAW
分类号
B03D
主分类号
B03D
代理机构
代理人
主权项
地址
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