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公开(公告)号:US3118974A
公开(公告)日:1964-01-21
申请号:US83740059
申请日:1959-09-01
Applicant: ITT
Inventor: RADCLIFFE JR ARTHUR J , PICKERING THOMAS A
CPC classification number: H03K17/6285 , H03K17/60 , H03K17/6257 , H04Q3/0012
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公开(公告)号:US3183364A
公开(公告)日:1965-05-11
申请号:US81686959
申请日:1959-05-29
Applicant: ITT
Inventor: PICKERING THOMAS A
CPC classification number: H03K17/6285 , H03K17/6257 , H04Q3/0012
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3.Pbx trunk hunting in electronic switching telephone systems 失效
Title translation: Pbx干线在电子交换电话系统中的搜索公开(公告)号:US3038969A
公开(公告)日:1962-06-12
申请号:US85449659
申请日:1959-11-20
Applicant: ITT
Inventor: PICKERING THOMAS A , KASPER FRANK S , ARSENEAU ROGER E , MAXA RICHARD F
IPC: H04Q11/04
CPC classification number: H04Q11/04
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