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发明名称
Loudspeaker drive units and loudspeaker systems
摘要
申请公布号
GB9907650(D0)
申请公布日期
1999.05.26
申请号
GB19990007650
申请日期
1999.04.01
申请人
B & W LOUDSPEAKERS LIMITED
发明人
分类号
H04R7/20
主分类号
H04R7/20
代理机构
代理人
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地址
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