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公开(公告)号：US3002897A
公开(公告)日：1961-10-03
申请号：US70183857
申请日：1957-12-10
Applicant: STANDARD OIL CO
Inventor： KIRKLAND EARL V , BRINKLEY JR HARRY G
IPC: G01N25/14
CPC classification number: G01N25/145 , Y10S203/02
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