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发明名称
Speaker system using a plurality of speaker units for directivity control
摘要
申请公布号
EP0560576(B1)
申请公布日期
1999.10.13
申请号
EP19930301776
申请日期
1993.03.09
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
KOURA, SATOSHI;SAIK, SHUJI;SATOH, KAZUE
分类号
H04R1/26;H04R1/40;(IPC1-7):H04R1/40
主分类号
H04R1/26
代理机构
代理人
主权项
地址
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