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发明名称
Ore treating machine
摘要
申请公布号
US2544634(A)
申请公布日期
1951.03.06
申请号
US19490093333
申请日期
1949.05.14
申请人
ALEXANDER MITCHELL
发明人
MITCHELL ALEXANDER
分类号
B02C1/00
主分类号
B02C1/00
代理机构
代理人
主权项
地址
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