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公开(公告)号：US3539634A
公开(公告)日：1970-11-10
申请号：US3539634D
申请日：1967-11-09
Applicant: UNION OIL CO
Inventor： OLIVIER KENNETH L , SNYDER LLOYD R
CPC classification number: C07C45/50 , C01G55/001 , C22B3/24 , Y02P10/234 , Y02P20/582 , C07C47/02
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