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公开(公告)号:US2293288A
公开(公告)日:1942-08-18
申请号:US33791140
申请日:1940-05-29
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W
IPC: G01H9/00
CPC classification number: G01H9/00
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公开(公告)号:US2730895A
公开(公告)日:1956-01-17
申请号:US35682853
申请日:1953-05-22
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W
IPC: G01M7/02
CPC classification number: G01M7/025
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公开(公告)号:US2764020A
公开(公告)日:1956-09-25
申请号:US35185953
申请日:1953-04-29
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W
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公开(公告)号:US2652517A
公开(公告)日:1953-09-15
申请号:US18730650
申请日:1950-09-28
Applicant: GEN MOTORS CORP
Inventor: DEGRIFT THOMAS C VAN , GADD CHARLES W , MATSEN RALPH S
IPC: G01L23/18
CPC classification number: G01L23/18
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公开(公告)号:US2764136A
公开(公告)日:1956-09-25
申请号:US40642054
申请日:1954-01-27
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W
IPC: F01M11/00
CPC classification number: F01M11/0004 , F01M2011/0054
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公开(公告)号:US2741128A
公开(公告)日:1956-04-10
申请号:US27748252
申请日:1952-03-19
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W , CORRIVEAU JOSEPH A
IPC: G01L23/18
CPC classification number: G01L23/18
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公开(公告)号:US2293289A
公开(公告)日:1942-08-18
申请号:US39250941
申请日:1941-05-08
Applicant: GEN MOTORS CORP
Inventor: GADD CHARLES W
CPC classification number: G01B11/165 , G01B5/30
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