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发明名称
Ore concentrating device
摘要
申请公布号
US1976840(A)
申请公布日期
1934.10.16
申请号
US19330699001
申请日期
1933.11.21
申请人
DONER SHERMAN R;STEVENSON PHILIP H;TILLER DAVID M
发明人
DONER SHERMAN R.;STEVENSON PHILIP H.;TILLER DAVID M.
分类号
B03B5/52;B03B5/56;B03B5/62
主分类号
B03B5/52
代理机构
代理人
主权项
地址
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