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发明名称
Separation process using fly ash
摘要
申请公布号
US2887451(A)
申请公布日期
1959.05.19
申请号
US19540417512
申请日期
1954.03.19
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
HILL JAMES H.;MOSER WILLIAM C.
分类号
D01F13/02
主分类号
D01F13/02
代理机构
代理人
主权项
地址
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