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经营范围
发明名称
SUBORDINATE PBX CONNECTION SYSTEM
摘要
申请公布号
JPH05328423(A)
申请公布日期
1993.12.10
申请号
JP19920151170
申请日期
1992.05.20
申请人
NEC CORP
发明人
SUZUKI TOSHIO
分类号
H04M7/00;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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