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发明名称
Flotation of minerals
摘要
申请公布号
US1801319(A)
申请公布日期
1931.04.21
申请号
US19270193061
申请日期
1927.05.20
申请人
THE BARRETT COMPANY
发明人
MOSES FREDERICK G.;HESS RAYMOND W.;PERKINS ROBERT L.
分类号
B03D1/012
主分类号
B03D1/012
代理机构
代理人
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地址
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