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发明名称
Speaker apparatus.
摘要
申请公布号
HK1016403(A1)
申请公布日期
2005.01.21
申请号
HK19990101381
申请日期
1999.04.07
申请人
SONY CORPORATION
发明人
AKIYAMA AKIHIRO;YAMAGISHI MAKOTO;WATANABE NAOKI
分类号
H04R1/00;H04R1/26;H04R5/02;(IPC1-7):H04R
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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