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1.发明授权Filter cartridge unit and porous filter element for use in connection therewith 失效滤芯单元和多孔过滤元件，用于与其连接
公开(公告)号：US3327864A
公开(公告)日：1967-06-27
申请号：US34772864
申请日：1964-02-27
Applicant: TECHNICAL FABRICATORS
Inventor： HARRY BALL , THOMPSON JAMES J
IPC: B01D29/15
CPC classification number: B01D29/15 , B01D29/19 , B01D2201/0461
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