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公开(公告)号：US2263766A
公开(公告)日：1941-11-25
申请号：US23962038
申请日：1938-11-09
Applicant: STANDARD OIL CO
Inventor： FENTRESS CARROLL D , MCNEIL CLANDE P , WILEY EDWIN G
IPC: C10B55/04
CPC classification number: C10B55/04
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