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发明名称
摘要
申请公布号
JPS5848878(Y2)
申请公布日期
1983.11.08
申请号
JP19780134274U
申请日期
1978.09.30
申请人
发明人
分类号
H04R9/12;G11B3/50;(IPC1-7):H04R9/12
主分类号
H04R9/12
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