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经营范围
发明名称
Underdrains
摘要
申请公布号
US3291311(A)
申请公布日期
1966.12.13
申请号
US19640341208
申请日期
1964.01.30
申请人
CRANE CO.
发明人
PRATT JACK B.;SLOAN LOUIS
分类号
B01D15/04;B01D24/38;B01J19/00;C02F1/42
主分类号
B01D15/04
代理机构
代理人
主权项
地址
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