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公开(公告)号：US2894635A
公开(公告)日：1959-07-14
申请号：US59948056
申请日：1956-07-23
Applicant: DORR OLIVER INC
Inventor： IRTHUM HAROLD J , SCHORKEN FREDERICK L
IPC: B01D33/067 , D21C9/18 , F16J15/34 , F16J15/46
CPC classification number: F16J15/46 , B01D33/067 , B01D33/073 , B01D2201/282 , B01D2201/34 , D21C9/18 , F16J15/3448 , Y10S277/903 , Y10S277/918
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