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发明名称
SUBSCRIBER CIRCUIT SWITCHING CONTROL SYSTEM
摘要
申请公布号
JPH0670014(A)
申请公布日期
1994.03.11
申请号
JP19920223705
申请日期
1992.08.24
申请人
NEC COMMUN SYST LTD
发明人
NITTA TOSHIO;IKEDA TORU
分类号
H04M3/20;H04M3/30;(IPC1-7):H04M3/30
主分类号
H04M3/20
代理机构
代理人
主权项
地址
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