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公开(公告)号:US2159235A
公开(公告)日:1939-05-23
申请号:US71895034
申请日:1934-04-04
Applicant: GEN MOTORS CORP
Inventor: TYLER JOHN M , DEGRIFT THOMAS C VAN
IPC: F16D3/68 , F16F15/124
CPC classification number: F16F15/124 , F16D3/68 , Y10T74/2131
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公开(公告)号:US2060963A
公开(公告)日:1936-11-17
申请号:US70703934
申请日:1934-01-17
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01H1/00
CPC classification number: G01H1/00
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公开(公告)号:US2008161A
公开(公告)日:1935-07-16
申请号:US42725930
申请日:1930-02-10
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01M1/02
CPC classification number: G01M1/02
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公开(公告)号:US2760023A
公开(公告)日:1956-08-21
申请号:US24832451
申请日:1951-09-26
Applicant: GEN MOTORS CORP
Inventor: KETTERING CHARLES F , SIHVONEN KAUNO E , DEGRIFT THOMAS C VAN
IPC: G01N19/10
CPC classification number: G01N19/10
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公开(公告)号:US2660881A
公开(公告)日:1953-12-01
申请号:US78285547
申请日:1947-10-29
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01N3/18
CPC classification number: G01N3/18 , G01N2203/0071
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公开(公告)号:US2522472A
公开(公告)日:1950-09-12
申请号:US3737748
申请日:1948-07-07
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01H1/10
CPC classification number: G01H1/10
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公开(公告)号:US2449429A
公开(公告)日:1948-09-14
申请号:US51342043
申请日:1943-12-08
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN , ZMUDA ANDREW W , RIOPELLE EARL F
IPC: G01M1/04
CPC classification number: G01M1/04 , Y10T408/05 , Y10T408/378
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公开(公告)号:US2344753A
公开(公告)日:1944-03-21
申请号:US34941340
申请日:1940-08-02
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01M1/22
CPC classification number: G01M1/22
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公开(公告)号:US2263789A
公开(公告)日:1941-11-25
申请号:US35634740
申请日:1940-09-11
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01M1/02
CPC classification number: G01M1/02
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公开(公告)号:US2037443A
公开(公告)日:1936-04-14
申请号:US71085834
申请日:1934-02-12
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN
IPC: G01M1/22
CPC classification number: G01M1/22
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