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发明名称
LAUTSPRECHERSYSTEM MIT BREITER RICHTWIRKUNG
摘要
申请公布号
AT555614(T)
申请公布日期
2012.05.15
申请号
AT20070102323T
申请日期
2007.02.14
申请人
YAMAHA CORPORATION
发明人
IWAYAMA, KEN
分类号
H04R1/34;H04R1/26;H04R1/40
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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