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发明名称
PANEL-FORM LOUDSPEAKER
摘要
申请公布号
GB9301628(D0)
申请公布日期
1993.04.14
申请号
GB19930001628
申请日期
1993.01.27
申请人
SECRETARY OF STATE FOR DEFENCE, THE
发明人
分类号
G10K1/066;H04R1/00;H04R1/02;H04R7/04;H04R7/06;H04R7/08;H04R9/00
主分类号
G10K1/066
代理机构
代理人
主权项
地址
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