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发明名称
摘要
申请公布号
JPS596058(Y2)
申请公布日期
1984.02.24
申请号
JP19780070067U
申请日期
1978.05.23
申请人
发明人
分类号
H04R3/00;H03F1/00;(IPC1-7):H04R3/00
主分类号
H04R3/00
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