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公开(公告)号：US2744632A
公开(公告)日：1956-05-08
申请号：US20253750
申请日：1950-12-23
Applicant: INDIANA COMMERICAL FILTERS COR
Inventor： GARDES ALFRED W
CPC classification number: B01D29/15 , B01D29/52 , B01D29/54 , B01D29/606 , B01D29/66 , B01D2201/0446 , B01D2201/44
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