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公开(公告)号：US2541654A
公开(公告)日：1951-02-13
申请号：US75225047
申请日：1947-06-03
Applicant: STANDARD OIL DEV CO
Inventor： JONES WILLIAM H , LONG FRED M , KREBS ROBERT W
CPC classification number: B01J23/94 , C07C1/0445 , C07C1/045 , C07C1/049 , C07C2523/745 , Y02P20/584
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