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公开(公告)号：US2508817A
公开(公告)日：1950-05-23
申请号：US74244247
申请日：1947-04-18
Applicant: TIDE WATER ASSOCIATED OIL COMP
Inventor： DEVOL LEE T , AYERS WILLIAM J
IPC: C10G27/04
CPC classification number: C10G27/04
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