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发明名称
摘要
申请公布号
JPS5921440(Y2)
申请公布日期
1984.06.23
申请号
JP19790116063U
申请日期
1979.08.23
申请人
发明人
分类号
H04R1/34;G10K11/30;(IPC1-7):G10K11/30
主分类号
H04R1/34
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