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发明名称
摘要
申请公布号
JPS55142095(U)
申请公布日期
1980.10.11
申请号
JP19790041080U
申请日期
1979.03.29
申请人
发明人
分类号
H04R7/20;H04R7/18;(IPC1-7):H04R7/18
主分类号
H04R7/20
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