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经营范围
发明名称
Apparatus for classifying finely granulated solids according to size
摘要
申请公布号
US2168207(A)
申请公布日期
1939.08.01
申请号
US19360080947
申请日期
1936.05.21
申请人
HAULTAIN HERBERT E T
发明人
HAULTAIN HERBERT E. T.
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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