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发明名称
VOICE CIPHERING DEVICE
摘要
申请公布号
JPH0481039(A)
申请公布日期
1992.03.13
申请号
JP19900192514
申请日期
1990.07.20
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MATSUMOTO HIROYUKI
分类号
H04K1/00;H04L9/00;H04L9/10;H04L9/12;H04L9/18;H04L29/00;H04M1/68
主分类号
H04K1/00
代理机构
代理人
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