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公开(公告)号：US2938853A
公开(公告)日：1960-05-31
申请号：US57429556
申请日：1956-03-27
Applicant: TIDEWATER OIL COMPANY
Inventor： AMMER EDWARD J , KENNETH VILAND CLARE
IPC: C10G61/04
CPC classification number: C10G61/04
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