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公开(公告)号:US3452151A
公开(公告)日:1969-06-24
申请号:US3452151D
申请日:1965-07-06
Applicant: IBM
Inventor: HARBOUR WILMER PAUL JR , HORLANDER JAMES F FRANK J
CPC classification number: H04L1/20
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公开(公告)号:IT1149961B
公开(公告)日:1986-12-10
申请号:IT2210780
申请日:1980-05-16
Applicant: IBM
Inventor: HARBOUR WILMER PAUL JR , HEARD RODERICK STACEY
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