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发明名称
COMMUNICATION LEVEL SECURING SYSTEM
摘要
申请公布号
JPH09271045(A)
申请公布日期
1997.10.14
申请号
JP19960076578
申请日期
1996.03.29
申请人
NEC ENG LTD
发明人
MIZUGUCHI MANABU
分类号
H04Q1/54;(IPC1-7):H04Q1/54
主分类号
H04Q1/54
代理机构
代理人
主权项
地址
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