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发明名称
Loudspeaker
摘要
申请公布号
GB0221503(D0)
申请公布日期
2002.10.23
申请号
GB20020021503
申请日期
2002.09.17
申请人
1... LIMITED
发明人
分类号
H04R7/04;H04R7/12;H04R17/00
主分类号
H04R7/04
代理机构
代理人
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