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经营范围
发明名称
SPEAKER SYSTEM
摘要
申请公布号
EP0669781(B1)
申请公布日期
2003.08.13
申请号
EP19930900401
申请日期
1992.12.28
申请人
TOZAWA, KATSUTOSHI
发明人
TOZAWA, KATSUTOSHI
分类号
H04R1/02;G10K11/00;G10K11/172;G10K11/178;H04R1/28;H04R1/34;(IPC1-7):H04R1/02;G10K11/16
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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