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发明名称
摘要
申请公布号
JPH0531412(U)
申请公布日期
1993.04.23
申请号
JP19910087474U
申请日期
1991.09.30
申请人
发明人
分类号
H04L25/03;H04B3/04;(IPC1-7):H04L25/03
主分类号
H04L25/03
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代理人
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