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发明名称
METHOD AND APPARATUS FOR FROTH FLOTATION
摘要
申请公布号
US3446353(A)
申请公布日期
1969.05.27
申请号
USD3446353
申请日期
1966.04.25
申请人
ZINC CORP. LTD.:THE
发明人
WILLIAM JOHN NANKIVELL DAVIS
分类号
B03D1/24;(IPC1-7):B03D1/02;B03D1/22
主分类号
B03D1/24
代理机构
代理人
主权项
地址
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