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发明名称
Filter unit
摘要
申请公布号
US2537217(A)
申请公布日期
1951.01.09
申请号
US19460699943
申请日期
1946.09.27
申请人
FARR COMPANY
发明人
FARR RICHARD S.
分类号
B01D46/00
主分类号
B01D46/00
代理机构
代理人
主权项
地址
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