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经营范围
发明名称
Process of simultaneously wet grinding and classifying a sulfide ore
摘要
申请公布号
US2791382(A)
申请公布日期
1957.05.07
申请号
US19530389273
申请日期
1953.10.30
申请人
MYERS JOHN F
发明人
MYERS JOHN F.
分类号
B02C17/04
主分类号
B02C17/04
代理机构
代理人
主权项
地址
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