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公开(公告)号:US2991990A
公开(公告)日:1961-07-11
申请号:US84587859
申请日:1959-10-12
Applicant: GEN MOTORS CORP
Inventor: MITTER LAURENCE J
IPC: D06F58/26
CPC classification number: D06F58/263
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公开(公告)号:US3135859A
公开(公告)日:1964-06-02
申请号:US9178061
申请日:1961-02-27
Applicant: GEN MOTORS CORP
Inventor: MITTER LAURENCE J
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公开(公告)号:US3069785A
公开(公告)日:1962-12-25
申请号:US81816059
申请日:1959-06-04
Applicant: GEN MOTORS CORP
Inventor: MITTER LAURENCE J , WHYTE RONAL H
IPC: D06F58/22
CPC classification number: D06F58/22
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公开(公告)号:US2931687A
公开(公告)日:1960-04-05
申请号:US67104157
申请日:1957-07-10
Applicant: GEN MOTORS CORP
Inventor: MITTER LAURENCE J
CPC classification number: D06F58/263 , D06F58/04
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公开(公告)号:US3091232A
公开(公告)日:1963-05-28
申请号:US3036360
申请日:1960-05-19
Applicant: GEN MOTORS CORP
Inventor: ALLEN JR ROBERT C , MITTER LAURENCE J
CPC classification number: E05F7/005 , E05Y2201/416 , E05Y2900/20 , E05Y2900/308 , F24C15/022
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