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公开(公告)号：US2488145A
公开(公告)日：1949-11-15
申请号：US69552646
申请日：1946-09-07
Applicant: STANDARD OIL DEV CO
Inventor： SMITH WARREN M , MASON RALPH B
CPC classification number: C07C9/22 , C07C5/03 , C07C2527/043 , C07C2527/047 , Y02P20/582
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