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1.发明授权
公开(公告)号：US2686151A
公开(公告)日：1954-08-10
申请号：US20122250
申请日：1950-12-16
Applicant: STANDARD OIL DEV CO
Inventor： FELDBAUER JR GEORGE F , JAHNIG CHARLES E , MARTIN HOMER Z
CPC classification number: B01J8/28 , B01J21/00 , Y10S502/515
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