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发明名称
UNIT IDENTIFICATION CIRCUIT
摘要
PURPOSE:To enable economy on unit and maintenance, by providing the unit strating relay to the unit identification device, in crossbar telephone exchanger.
申请公布号
JPS52109809(A)
申请公布日期
1977.09.14
申请号
JP19760026934
申请日期
1976.03.11
申请人
NIPPON ELECTRIC CO
发明人
CHIBA MASAYASU
分类号
H04Q3/555;H04Q3/00
主分类号
H04Q3/555
代理机构
代理人
主权项
地址
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