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发明名称
ELECTRONIC SWITCHBOARD SYSTEM
摘要
申请公布号
JPH06125580(A)
申请公布日期
1994.05.06
申请号
JP19910159017
申请日期
1991.06.28
申请人
TOSHIBA CORP
发明人
HIRAI JUN;MURAI TOSHIO
分类号
H04Q3/58;H04Q11/04;(IPC1-7):H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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