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公开(公告)号:US2449921A
公开(公告)日:1948-09-21
申请号:US51548643
申请日:1943-12-24
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G01V1/00
CPC classification number: G01V1/003
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公开(公告)号:US2417227A
公开(公告)日:1947-03-11
申请号:US51548543
申请日:1943-12-24
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G11B7/14
CPC classification number: G11B7/14
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公开(公告)号:US2569510A
公开(公告)日:1951-10-02
申请号:US79179747
申请日:1947-12-15
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
CPC classification number: E21B47/00 , G06G7/42 , Y10T29/49069 , Y10T29/49204
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公开(公告)号:US2446588A
公开(公告)日:1948-08-10
申请号:US52948744
申请日:1944-04-04
Applicant: TEXAS CO
Inventor: GERHARD HERZOG , ALEXANDER WOLF
IPC: G01V5/08
CPC classification number: G01V5/08
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公开(公告)号:US2617947A
公开(公告)日:1952-11-11
申请号:US73791847
申请日:1947-03-28
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G01T1/17
CPC classification number: G01T1/17
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公开(公告)号:US2568940A
公开(公告)日:1951-09-25
申请号:US69016446
申请日:1946-08-13
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G01B7/16
CPC classification number: G01B7/16 , Y10T24/44974
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公开(公告)号:US2130213A
公开(公告)日:1938-09-13
申请号:US4624235
申请日:1935-10-23
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF , COWLES LAURENCE G , RICHARDSON WILLIAM S
IPC: G01V1/18
CPC classification number: G01V1/181
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公开(公告)号:US2540310A
公开(公告)日:1951-02-06
申请号:US76808947
申请日:1947-08-12
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G06G7/184
CPC classification number: G06G7/184
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公开(公告)号:US2486902A
公开(公告)日:1949-11-01
申请号:US63976046
申请日:1946-01-08
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF
IPC: G01B15/02
CPC classification number: G01B15/025
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公开(公告)号:US2411311A
公开(公告)日:1946-11-19
申请号:US55066244
申请日:1944-08-22
Applicant: TEXAS CO
Inventor: ALEXANDER WOLF , COWLES LAURENCE G
IPC: E21B47/04
CPC classification number: E21B47/042
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