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发明名称
SPEAKER
摘要
申请公布号
JPH06178391(A)
申请公布日期
1994.06.24
申请号
JP19910067682
申请日期
1991.03.08
申请人
SONY CORP
发明人
MAEDA KEIJIRO;TOMIYAKE NOBUO
分类号
H04R7/12;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R7/12
代理机构
代理人
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