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发明名称
Flotation process
摘要
申请公布号
US1926045(A)
申请公布日期
1933.09.12
申请号
US19310555856
申请日期
1931.08.07
申请人
ALUMINUM COMPANY
发明人
GREEMAN OMER W.;LILLY HENRY A.
分类号
B03D1/02
主分类号
B03D1/02
代理机构
代理人
主权项
地址
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