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发明名称
摘要
申请公布号
JPS55165579(U)
申请公布日期
1980.11.28
申请号
JP19790065231U
申请日期
1979.05.15
申请人
发明人
分类号
H04R7/12;(IPC1-7):H04R7/12
主分类号
H04R7/12
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代理人
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