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发明名称
Digital loudspeaker with sound volume control
摘要
申请公布号
EP0814633(B1)
申请公布日期
2001.08.16
申请号
EP19970303953
申请日期
1997.06.09
申请人
SONY CORPORATION
发明人
KISHIGAMI, JUN;FUJIHIRA, MASAO;MURAGUCHI, TAKAHIRO
分类号
H04R9/02;H03F3/45;H03M9/00;H04R3/00;H04R1/00;H04R9/04;(IPC1-7):H04R1/00
主分类号
H04R9/02
代理机构
代理人
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地址
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