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经营范围
发明名称
BANDPASS LOUDSPEAKER SYSTEM
摘要
申请公布号
EP1188353(A1)
申请公布日期
2002.03.20
申请号
EP19990959007
申请日期
1999.11.16
申请人
AMERICAN TECHNOLOGY CORPORATION
发明人
CROFT, JAMES, J., III
分类号
H04R1/28;(IPC1-7):H05K5/00;H04R1/02
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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