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公开(公告)号：US2728644A
公开(公告)日：1955-12-27
申请号：US27992352
申请日：1952-04-01
Applicant: TIDE WATER ASSOCIATED OIL COMP
Inventor： CLYDE VAUGHN SAMUEL
CPC classification number: C10L1/14 , C10L1/223 , C10L1/2658
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