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发明名称
SPEAKER
摘要
申请公布号
JPH05284595(A)
申请公布日期
1993.10.29
申请号
JP19920045500
申请日期
1992.03.03
申请人
发明人
分类号
H04R9/02;(IPC1-7):H04R9/02
主分类号
H04R9/02
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代理人
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地址
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