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发明名称
SPEAKER
摘要
申请公布号
JPH02257800(A)
申请公布日期
1990.10.18
申请号
JP19890079893
申请日期
1989.03.29
申请人
OTANI NOBORU
发明人
OTANI NOBORU
分类号
H04R9/06
主分类号
H04R9/06
代理机构
代理人
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