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公开(公告)号：US2728642A
公开(公告)日：1955-12-27
申请号：US29251652
申请日：1952-06-09
Applicant: TIDE WATER ASSOCIATED OIL COMP
Inventor： DOUGLAS CUNNINGHAM MARION , JONES BENJAMIN G , WULZEN RICHARD H
CPC classification number: B01J8/0055 , B01J8/24 , B01J2208/0084
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