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发明名称
摘要
申请公布号
JPH07123258(B2)
申请公布日期
1995.12.25
申请号
JP19860121377
申请日期
1986.05.28
申请人
发明人
分类号
H04L27/20;H04L27/233;(IPC1-7):H04L27/20
主分类号
H04L27/20
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代理人
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