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公开(公告)号：US2879891A
公开(公告)日：1959-03-31
申请号：US66540457
申请日：1957-06-13
Applicant: PFAUDLER PERMUTIT INC
Inventor： BEOHNER HARRY L , MILLER JR DURANDO
IPC: B01D24/48
CPC classification number: B01D24/14 , B01D24/4636 , B01D2201/087 , B01D2201/206
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