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发明名称
LAUTSPRECHER
摘要
申请公布号
AT521196(T)
申请公布日期
2011.09.15
申请号
AT20090007888T
申请日期
2009.06.16
申请人
YAMAHA CORPORATION
发明人
ITO, SHIN
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
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地址
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