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发明名称
TRUNK SELECTION SYSTEM
摘要
申请公布号
JPH04293392(A)
申请公布日期
1992.10.16
申请号
JP19910057555
申请日期
1991.03.22
申请人
NEC CORP
发明人
YAMAMOTO KAZUTAKA;ENOMOTO MOTOHIKO
分类号
H04Q3/545;H04Q3/66
主分类号
H04Q3/545
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代理人
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