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公开(公告)号:US2678398A
公开(公告)日:1954-05-11
申请号:US21644551
申请日:1951-03-19
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: G01V5/02
CPC classification number: G01V5/02
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公开(公告)号:US2661897A
公开(公告)日:1953-12-08
申请号:US9826849
申请日:1949-06-10
Applicant: TEXAS CO
Inventor: GERHARD HERZOG , LEE BURTON D
IPC: G06G7/42
CPC classification number: G06G7/42
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23.
公开(公告)号:US2648780A
公开(公告)日:1953-08-11
申请号:US16831650
申请日:1950-06-15
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: G01V5/14
CPC classification number: G01V5/145
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公开(公告)号:US2547950A
公开(公告)日:1951-04-10
申请号:US9338849
申请日:1949-05-14
Applicant: TEXAS CO
Inventor: LEE BURTON D , GERHARD HERZOG
CPC classification number: E21B47/00 , G06G7/42 , Y10T29/49069 , Y10T29/49204
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公开(公告)号:US2489133A
公开(公告)日:1949-11-22
申请号:US56287044
申请日:1944-11-10
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: H01J47/08
CPC classification number: H01J47/08
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公开(公告)号:US2483139A
公开(公告)日:1949-09-27
申请号:US51639843
申请日:1943-12-31
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: G01V5/10
CPC classification number: G01V5/107
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公开(公告)号:US2475137A
公开(公告)日:1949-07-05
申请号:US58390845
申请日:1945-03-21
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: G01V5/14
CPC classification number: G01V5/145
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公开(公告)号:US2433554A
公开(公告)日:1947-12-30
申请号:US46346542
申请日:1942-10-27
Applicant: TEXAS CO
Inventor: GERHARD HERZOG
IPC: G01V5/04
CPC classification number: G01V5/04
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