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公开(公告)号：US2567253A
公开(公告)日：1951-09-11
申请号：US59283045
申请日：1945-05-09
Applicant: STANDARD OIL CO
Inventor： STRANGE JOHN H , GRUBB HENRY M
IPC: G01L9/00
CPC classification number: G01L11/008
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