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发明名称
MINERAL SEPARATING APPARATUS
摘要
申请公布号
CA388072(A)
申请公布日期
1940.04.16
申请号
CAD388072
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
WILLING BAYARD FOULKE;WILLIAM ARMSTRONG WILLS
分类号
主分类号
代理机构
代理人
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