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发明名称
Loudspeaker device
摘要
申请公布号
EP0833545(A3)
申请公布日期
2003.03.26
申请号
EP19970116817
申请日期
1997.09.26
申请人
YAMAHA CORPORATION
发明人
SOTOME, HIROMI
分类号
H04R5/02;H04R1/24;H04R1/34;H04R1/40;(IPC1-7):H04R1/24
主分类号
H04R5/02
代理机构
代理人
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