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经营范围
发明名称
SOUND GENERATING/COLLECTING DEVICE
摘要
申请公布号
EP2051542(A4)
申请公布日期
2013.05.22
申请号
EP20070767232
申请日期
2007.06.20
申请人
YAMAHA CORPORATION
发明人
ISHIBASHI, TOSHIAKI;TANAKA, RYO;UKAI, SATOSHI
分类号
H04M3/56;H04R1/40;H04R3/00
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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