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1.
公开(公告)号:US3370274A
公开(公告)日:1968-02-20
申请号:US42231364
申请日:1964-12-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: KETTLEY ARTHUR W , MACURDY WILLIAM B , MUIR III DAVID , STAGG JR UBERTO K
IPC: G06F9/308
CPC classification number: G06F9/30018
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公开(公告)号:US3291913A
公开(公告)日:1966-12-13
申请号:US28113763
申请日:1963-05-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: HANNA EDWARD E , KETTLEY ARTHUR W , LOWRY TERRELL N
IPC: H04Q3/545
CPC classification number: H04Q3/545
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