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发明名称
摘要
申请公布号
JPS5734878(Y2)
申请公布日期
1982.08.02
申请号
JP19740110561U
申请日期
1974.09.12
申请人
发明人
分类号
H04R3/02;H04R27/04;(IPC1-7):H04R27/04
主分类号
H04R3/02
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