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发明名称
INTERCEPTION PREVENTING METHOD, INTERCEPTION PREVENTING DEVICE AND CIPHERING/DECODING ADAPTOR WITH INTERCEPTION PREVENTING FUNCTION
摘要
申请公布号
JPH08149123(A)
申请公布日期
1996.06.07
申请号
JP19940289902
申请日期
1994.11.24
申请人
RICOH ELEMEX CORP
发明人
NAKAYA KAZUHIKO
分类号
H04N1/44;H04K1/02;H04K3/00;H04L9/00;H04L9/10;H04L9/12;H04M1/68;(IPC1-7):H04L9/00
主分类号
H04N1/44
代理机构
代理人
主权项
地址
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