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经营范围
发明名称
Hydraulic classifier
摘要
申请公布号
US2219639(A)
申请公布日期
1940.10.29
申请号
US19390249504
申请日期
1939.01.05
申请人
STOKES
发明人
STOKES RUPERT OCTAVIUS;THOMAS WILLIAM DIXON JENKYN
分类号
B03B5/62
主分类号
B03B5/62
代理机构
代理人
主权项
地址
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