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发明名称
SPEAKER SYSTEM
摘要
申请公布号
JPH04142199(A)
申请公布日期
1992.05.15
申请号
JP19900264501
申请日期
1990.10.02
申请人
YAMAHA CORP
发明人
BABA MITSURU
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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