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发明名称
OFF-TALK COMMUNICATION SYSTEM
摘要
申请公布号
JPH0311868(A)
申请公布日期
1991.01.21
申请号
JP19890145072
申请日期
1989.06.09
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;MIYAKAWA SEISAKUSHO:KK
发明人
FURUYA MATSUO;SAITOU MINAO
分类号
H04H20/81;H04H60/13;H04H60/43;H04M11/00;H04M11/08
主分类号
H04H20/81
代理机构
代理人
主权项
地址
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