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发明名称
RING TRANSMITTER
摘要
申请公布号
JPH0766821(A)
申请公布日期
1995.03.10
申请号
JP19930208080
申请日期
1993.08.23
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TOMIZAWA MASAHITO;SATO YOSHIAKI;YAMABAYASHI YOSHIAKI;KOBAYASHI YUKIO;NAKAGAWA SEIJI
分类号
H04L12/437;(IPC1-7):H04L12/437
主分类号
H04L12/437
代理机构
代理人
主权项
地址
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