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发明名称
Backwash filter
摘要
申请公布号
US2693882(A)
申请公布日期
1954.11.09
申请号
US19510204220
申请日期
1951.01.03
申请人
OLSON FILTRATION ENGINEERS, INC.
发明人
OLSON GEORGE E.;EBERT DWIGHT L.
分类号
B01D29/00;B01D37/02
主分类号
B01D29/00
代理机构
代理人
主权项
地址
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