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发明名称
摘要
申请公布号
JPS5529891(U)
申请公布日期
1980.02.26
申请号
JP19780113266U
申请日期
1978.08.17
申请人
发明人
分类号
H04R5/027;H04B1/03;H04B1/034;(IPC1-7):H04R5/027
主分类号
H04R5/027
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