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公开(公告)号：US2701754A
公开(公告)日：1955-02-08
申请号：US24336851
申请日：1951-08-23
Applicant: STANDARD OIL DEV CO
Inventor： HAWORTH JOSEPH P , LOWELL JONACH FREDRICK , HICKOK JOHN E , MATUSZAK ALFRED H
IPC: C10L1/18
CPC classification number: C10L1/18 , C10L1/1852 , C10L1/1857
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公开(公告)号：US2475238A
公开(公告)日：1949-07-05
申请号：US63624745
申请日：1945-12-20
Applicant: STANDARD OIL DEV CO
Inventor： HALL HOMER J , LOWELL JONACH FREDRICK
IPC: G01K7/02
CPC classification number: G01K7/021
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