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公开(公告)号：US3080479A
公开(公告)日：1963-03-05
申请号：US85568959
申请日：1959-11-27
Applicant: STANDARD OIL CO
Inventor： BERG WILLIAM G , IRWIN GINSBURGH
IPC: G01B15/02
CPC classification number: G01B15/025
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