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公开(公告)号：US2703628A
公开(公告)日：1955-03-08
申请号：US32821652
申请日：1952-12-27
Applicant: SHELL DEV
Inventor： POMPEO DOMENICK J , PENTHER CARL J , NOLLER GEORGE W
IPC: B01D53/26
CPC classification number: B01D53/26 , B01D53/261
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