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经营范围
发明名称
CAPACITOR MICROPHONE
摘要
申请公布号
EP2001262(A9)
申请公布日期
2009.04.08
申请号
EP20070740156
申请日期
2007.03.28
申请人
YAMAHA CORPORATION
发明人
HIRADE, SEIJI;SUZUKI, TAMITO;SUZUKI, YUKITOSHI;OMURA, MASAYOSHI;EBIHARA, YUUSAKU
分类号
H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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