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经营范围
发明名称
LOW COST BROAD RANGE LOUDSPEAKER AND SYSTEM
摘要
申请公布号
EP1247424(A1)
申请公布日期
2002.10.09
申请号
EP20000954008
申请日期
2000.08.14
申请人
GUENTHER, GODEHARD A.
发明人
GODEHARD, GUENTHER A.
分类号
H04R9/02;H04R9/04;(IPC1-7):H04R25/00;H04R7/18
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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