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发明名称
Panel-form loudspeaker
摘要
申请公布号
GB2334402(A)
申请公布日期
1999.08.18
申请号
GB19990011635
申请日期
1997.12.08
申请人
* THE SECRETARY OF STATE FOR DEFENCE
发明人
KENNETH HARRY * HERON
分类号
H04R7/04;H04R1/00;H04R1/02;H04R7/06;(IPC1-7):H04R1/02;H04R7/02;H04R7/08
主分类号
H04R7/04
代理机构
代理人
主权项
地址
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