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公开(公告)号：US2552435A
公开(公告)日：1951-05-08
申请号：US79006247
申请日：1947-12-06
Applicant: STANDARD OIL DEV CO
Inventor： KNOX JR WILLIAM T , WECKS ROBERT L
IPC: C10G25/08
CPC classification number: C10G25/08
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