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发明名称
Method of flotation
摘要
申请公布号
US1879871(A)
申请公布日期
1932.09.27
申请号
US19290382761
申请日期
1929.08.01
申请人
GAUDIN ANTOINE M
发明人
GAUDIN ANTOINE M.
分类号
B03D1/012
主分类号
B03D1/012
代理机构
代理人
主权项
地址
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