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公开(公告)号：US2988224A
公开(公告)日：1961-06-13
申请号：US78140458
申请日：1958-12-18
Applicant: SUN OIL CO
Inventor： GREEN CHARLES F
IPC: B01D33/073 , B01D35/31
CPC classification number: B01D33/073 , B01D33/68 , B01D35/31 , B01D2201/282
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