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公开(公告)号:US2650713A
公开(公告)日:1953-09-01
申请号:US14695750
申请日:1950-03-01
Applicant: TIDE WATER ASSOCIATED OIL COMP
Inventor: NIGH GEORGE W
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公开(公告)号:US2610504A
公开(公告)日:1952-09-16
申请号:US2150248
申请日:1948-04-16
Applicant: TIDE WATER ASSOCIATED OIL COMP
Inventor: NIGH GEORGE W
IPC: G01M3/28
CPC classification number: G01M3/2846
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