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发明名称
摘要
申请公布号
JPS54113502(U)
申请公布日期
1979.08.09
申请号
JP19780008845U
申请日期
1978.01.30
申请人
发明人
分类号
H04R11/08;H04R11/12;(IPC1-7):H04R11/12
主分类号
H04R11/08
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代理人
主权项
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