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经营范围
发明名称
Minerals separator
摘要
申请公布号
US4799920(A)
申请公布日期
1989.01.24
申请号
US19870051648
申请日期
1987.05.20
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
MOZLEY, RICHARD H.
分类号
B03B5/28;B03B5/00;B03B5/32;B04B11/02;B04B15/06;(IPC1-7):B04B11/00
主分类号
B03B5/28
代理机构
代理人
主权项
地址
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