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经营范围
发明名称
Combined electrostatic and magnetic separator
摘要
申请公布号
US2866546(A)
申请公布日期
1958.12.30
申请号
US19570638595
申请日期
1957.02.06
申请人
RESEARCH-COTTRELL, INC.
发明人
ROBERTS LAWRENCE M.
分类号
B01D46/18;B03C1/30;B03C3/017;B03C3/10
主分类号
B01D46/18
代理机构
代理人
主权项
地址
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