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发明名称
摘要
申请公布号
JPS5591599(U)
申请公布日期
1980.06.24
申请号
JP19780174193U
申请日期
1978.12.15
申请人
发明人
分类号
G10K9/13;H04R13/00;(IPC1-7):G10K9/13
主分类号
G10K9/13
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