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发明名称
FLAT LOUDSPEAKER FOR THE WHOLE ACOUSTICAL FREQUENTION SPECTRUM
摘要
申请公布号
EP1479262(A1)
申请公布日期
2004.11.24
申请号
EP20030710535
申请日期
2003.02.21
申请人
DE ROOIJ, JACOBUS, MARIA
发明人
DE ROOIJ, JACOBUS, MARIA
分类号
H04R1/24;(IPC1-7):H04R1/24;H04R9/06
主分类号
H04R1/24
代理机构
代理人
主权项
地址
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