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公开(公告)号:US2273991A
公开(公告)日:1942-02-24
申请号:US20470338
申请日:1938-04-27
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , BIGLER ROBERT H
IPC: G01K7/18
CPC classification number: G01K7/18
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公开(公告)号:US2254495A
公开(公告)日:1941-09-02
申请号:US19975838
申请日:1938-04-04
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , BIGLER ROBERT H
CPC classification number: F02M59/14 , F02M37/08 , F02M2700/1323 , F04B43/04
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公开(公告)号:US2197115A
公开(公告)日:1940-04-16
申请号:US12265737
申请日:1937-01-27
Applicant: GEN MOTORS CORP
Inventor: RANDOLPH DONALD W , BIGLER ROBERT H
IPC: H01L21/16
CPC classification number: H01L21/161 , H01L21/02565 , H01L21/02614
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公开(公告)号:US2139385A
公开(公告)日:1938-12-06
申请号:US12219037
申请日:1937-01-25
Applicant: GEN MOTORS CORP
Inventor: SCHWARZE BRUCE H , BIGLER ROBERT H
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公开(公告)号:US2211168A
公开(公告)日:1940-08-13
申请号:US18310238
申请日:1938-01-03
Applicant: GEN MOTORS CORP
Inventor: KARL SCHWARTZWALDER , BIGLER ROBERT H
IPC: H01C7/04
CPC classification number: H01C7/04
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