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公开(公告)号:US3272097A
公开(公告)日:1966-09-13
申请号:US32907063
申请日:1963-12-09
Applicant: IBM
Inventor: GAZIS DENOS C , POTTS RENFREY B
IPC: G08G1/07
CPC classification number: G08G1/07
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公开(公告)号:US3323106A
公开(公告)日:1967-05-30
申请号:US36335464
申请日:1964-04-29
Applicant: IBM
Inventor: GAZIS DENOS C , POTTS RENFREY B
IPC: G08G1/07
CPC classification number: G08G1/07
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