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发明名称
EXCHANGE CONNECTION CONTROL SYSTEM
摘要
申请公布号
JPH06284187(A)
申请公布日期
1994.10.07
申请号
JP19930070448
申请日期
1993.03.29
申请人
NEC CORP
发明人
MISU TOSHIYUKI
分类号
H04M3/22;H04M3/36;H04Q3/545;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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