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公开(公告)号：US2651417A
公开(公告)日：1953-09-08
申请号：US53367044
申请日：1944-05-02
Applicant: FRAM CORP
Inventor： STANLEY MALANOWSKI
IPC: B01D29/41
CPC classification number: B01D25/26 , B01D35/147 , B01D2201/182 , B01D2201/325
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