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公开(公告)号:US3101614A
公开(公告)日:1963-08-27
申请号:US85082759
申请日:1959-11-04
Applicant: TEXACO INC
Inventor: HUBBY LAURENCE M
IPC: G01F3/38
CPC classification number: G01F3/38
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公开(公告)号:US3081636A
公开(公告)日:1963-03-19
申请号:US81513259
申请日:1959-05-22
Applicant: TEXACO INC
Inventor: HUBBY LAURENCE M
IPC: G01N9/36
CPC classification number: G01N9/36
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23.Apparatus for compensating for gradual changes in load on a walking beam pump 失效
Title translation: 用于补偿步进梁泵上的负载逐渐变化的装置公开(公告)号:US3016767A
公开(公告)日:1962-01-16
申请号:US67967657
申请日:1957-08-22
Applicant: TEXACO INC
Inventor: EGAN EDMOND F , HUBBY LAURENCE M
IPC: F16F15/28
CPC classification number: F16F15/28 , Y10T74/2154 , Y10T74/2156
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公开(公告)号:US2947931A
公开(公告)日:1960-08-02
申请号:US63038456
申请日:1956-12-24
Applicant: TEXACO INC
Inventor: HUBBY LAURENCE M
IPC: H02P29/00
CPC classification number: H02P29/40
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