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发明名称
摘要
申请公布号
JPS5638877(Y2)
申请公布日期
1981.09.10
申请号
JP19760144217U
申请日期
1976.10.27
申请人
发明人
分类号
H04R7/08;H04R1/22;H04R7/06;H04R7/18;(IPC1-7):H04R7/08
主分类号
H04R7/08
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