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公开(公告)号：US2295035A
公开(公告)日：1942-09-08
申请号：US27467339
申请日：1939-05-20
Applicant: STANDARD OIL DEV CO
Inventor： GILBERT GEORGE R , PEER ALBERT A
IPC: C10M171/00
CPC classification number: C10M171/007
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