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经营范围
发明名称
Process for separating minerals
摘要
申请公布号
US2686592(A)
申请公布日期
1954.08.17
申请号
US19490128100
申请日期
1949.11.18
申请人
发明人
MILLER HUGO S.
分类号
B03D1/00
主分类号
B03D1/00
代理机构
代理人
主权项
地址
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