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公开(公告)号：US3397793A
公开(公告)日：1968-08-20
申请号：US44842765
申请日：1965-04-15
Applicant: ALLIED FILTER ENGINEERING INC
Inventor： MACDONNELL ROBERT W
IPC: B01D29/21
CPC classification number: B01D29/21 , B01D29/58 , B01D2201/127
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