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发明名称
摘要
申请公布号
JPH028249(U)
申请公布日期
1990.01.19
申请号
JP19880085901U
申请日期
1988.06.30
申请人
发明人
分类号
H04J13/00;H04J13/10;(IPC1-7):H04J13/00
主分类号
H04J13/00
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代理人
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