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发明名称
LOUDSPEAKER
摘要
申请公布号
PT1611771(E)
申请公布日期
2007.01.31
申请号
PT20040716813T
申请日期
2004.03.03
申请人
ALCONS AUDIO B.V.
发明人
PHILIP DEREK EDUARD DE HAAN
分类号
H04R9/00;H04R1/30;H04R9/02;H04R9/04
主分类号
H04R9/00
代理机构
代理人
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地址
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