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发明名称
摘要
申请公布号
JP2703989(B2)
申请公布日期
1998.01.26
申请号
JP19890110599
申请日期
1989.04.28
申请人
发明人
分类号
H04L12/42;(IPC1-7):H04L12/42
主分类号
H04L12/42
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代理人
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