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发明名称
SOUND COMMUNICATIONS SYSTEM
摘要
申请公布号
JPH06350486(A)
申请公布日期
1994.12.22
申请号
JP19930134211
申请日期
1993.06.04
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
ARIKAWA TOMOHIKO;OKAMOTO MANABU;KOJIMA JUNJI
分类号
H04B3/20;(IPC1-7):H04B3/20
主分类号
H04B3/20
代理机构
代理人
主权项
地址
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