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经营范围
发明名称
LINE CONCENTRATOR
摘要
PURPOSE:To enable the unit to monitor the end of call economically, by using the circuit for outgoing call monitor to the monitor of end of call, in a time sharing communication system.
申请公布号
JPS5384511(A)
申请公布日期
1978.07.26
申请号
JP19760160624
申请日期
1976.12.29
申请人
FUJITSU LTD;NIPPON TELEGRAPH & TELEPHONE
发明人
FUKUHARA KUNIO;OGAWA YASUHIRO;KANEKO HIROSHI;KUBOYAMA YOSHIO
分类号
H04Q3/60;H04Q11/04
主分类号
H04Q3/60
代理机构
代理人
主权项
地址
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