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经营范围
发明名称
PRIVACY CALL SYSTEM
摘要
申请公布号
JPH02241152(A)
申请公布日期
1990.09.25
申请号
JP19890061590
申请日期
1989.03.14
申请人
KOKUSAI DENSHIN DENWA CO LTD <KDD>;TOSHIBA CORP
发明人
KITO KAZUAKI;ONO KENICHI;OYAMADA AKITO
分类号
H04L9/16;H04L9/00;H04L9/10;H04L9/12
主分类号
H04L9/16
代理机构
代理人
主权项
地址
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