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发明名称
PROJECTOR AND METHOD OF CONTROLLING ULTRASONIC SPEAKER IN PROJECTOR
摘要
申请公布号
EP1766609(A1)
申请公布日期
2007.03.28
申请号
EP20050738705
申请日期
2005.04.27
申请人
SEIKO EPSON CORPORATION
发明人
MATSUZAWA, KINYA
分类号
G10K15/02;H04R1/00;H04R1/34
主分类号
G10K15/02
代理机构
代理人
主权项
地址
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