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发明名称
SILICON CONDENSER MICROPHONE HAVING ADDITIONAL BACK CHAMBER AND SOUND HOLE IN PCB
摘要
申请公布号
EP1875773(A1)
申请公布日期
2008.01.09
申请号
EP20060783527
申请日期
2006.08.07
申请人
BSE CO., LTD.
发明人
SONG, CHUNG-DAM
分类号
H04R31/00;H04R19/01;H04R19/04
主分类号
H04R31/00
代理机构
代理人
主权项
地址
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