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公开(公告)号：US2487159A
公开(公告)日：1949-11-08
申请号：US77886647
申请日：1947-10-09
Applicant: STANDARD OIL DEV CO
Inventor： MCADAMS DON R , SEGURA MARNELL A
CPC classification number: B01J23/94 , C07C1/045 , C07C2523/745 , Y02P20/584
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