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发明名称
摘要
申请公布号
JPH0431847(U)
申请公布日期
1992.03.16
申请号
JP19900074054U
申请日期
1990.07.12
申请人
发明人
分类号
H03M7/00;H04L7/04;H04L25/02;H04L25/40;(IPC1-7):H04L25/02
主分类号
H03M7/00
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