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经营范围
发明名称
Flotation apparatus
摘要
申请公布号
US2573520(A)
申请公布日期
1951.10.30
申请号
US19470778006
申请日期
1947.10.04
申请人
THE CANANEA CONSOLIDATED COPPER COMPANY, S. A.
发明人
WASLEY WILLIAM ARTHUR;MACINTOSH JOHN CLEMENT
分类号
B03D1/16
主分类号
B03D1/16
代理机构
代理人
主权项
地址
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