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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:US3354268A
公开(公告)日:1967-11-21
申请号:US34498164
申请日:1964-02-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETTIG JOHN F , STAGG JR UBERTO K
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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3.
公开(公告)号:US3335230A
公开(公告)日:1967-08-08
申请号:US34498064
申请日:1964-02-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETTIG JOHN F , RIEDEL NELSON A , STAGG JR UBERTO K , TRAUMBULL ALLAN R
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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