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发明名称
摘要
申请公布号
JPH0810881(B2)
申请公布日期
1996.01.31
申请号
JP19890045887
申请日期
1989.02.27
申请人
发明人
分类号
H04L29/02;(IPC1-7):H04L29/02
主分类号
H04L29/02
代理机构
代理人
主权项
地址
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