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公开(公告)号：US2623021A
公开(公告)日：1952-12-23
申请号：US4754848
申请日：1948-09-02
Applicant: STANDARD OIL DEV CO
Inventor： SWEETSER SUMNER B , RUSSELL FRANCIS R , BUCKER EDWARD R
IPC: B01J23/78 , C07C1/04 , C07C29/156
CPC classification number: C07C29/156 , B01J23/78 , C07C1/0445 , C07C2523/745 , C07C2527/232 , C07C31/02
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