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发明名称
COMMON CONTROL UNIT STARTING SYSTEM
摘要
PURPOSE:To reduce the useless line catch for the common control unit and to eliminate the repetition of call connection and dial operation, by providing all busy monitor circuit with the common control type automatic exchanging unit.
申请公布号
JPS5296806(A)
申请公布日期
1977.08.15
申请号
JP19760013682
申请日期
1976.02.09
申请人
NIPPON ELECTRIC CO
发明人
ISHII AKIHIRO;YAMAMOTO SUSUMU;SATOU EIICHI
分类号
H04Q3/555;H04Q3/48
主分类号
H04Q3/555
代理机构
代理人
主权项
地址
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