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公开(公告)号：US3514497A
公开(公告)日：1970-05-26
申请号：US3514497D
申请日：1967-12-11
Applicant: PHILLIPS PETROLEUM CO
Inventor： HUGHES WILLIAM B
CPC classification number: C07C5/2593 , C07C13/20 , C07C13/263
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