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发明名称
DIGITAL SUBSCRIBER'S EXCHANGE
摘要
申请公布号
JPH08140171(A)
申请公布日期
1996.05.31
申请号
JP19940276169
申请日期
1994.11.10
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
GOTO ISAMU;IBARAKI HISASHI;NAKANO YOSHIO;FUJIMOTO TSUYOSHI
分类号
H04Q3/58;H04M3/00;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04Q3/58
代理机构
代理人
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