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经营范围
发明名称
Magnetic separator
摘要
申请公布号
US2699871(A)
申请公布日期
1955.01.18
申请号
US19480053926
申请日期
1948.10.11
申请人
STEM DONALD E
发明人
STEM DONALD E.
分类号
B03C1/28
主分类号
B03C1/28
代理机构
代理人
主权项
地址
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