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发明名称
摘要
申请公布号
JPS54114585(U)
申请公布日期
1979.08.11
申请号
JP19780010457U
申请日期
1978.01.31
申请人
发明人
分类号
H04R17/10;G10K9/12;(IPC1-7):G10K9/12
主分类号
H04R17/10
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