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公开(公告)号：US2850114A
公开(公告)日：1958-09-02
申请号：US47577454
申请日：1954-12-16
Applicant: UNION OIL CO
Inventor： HOWARD KEHDE , LAFFERTY JAMES L , MONTGOMERY ROBERT R
IPC: B01D53/08
CPC classification number: B01D53/08 , B01D53/0462 , B01D2253/102 , B01D2253/304 , B01D2256/24 , B01D2257/702 , B01D2259/40081
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