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发明名称
HEARING AID MICROPHONE COVER
摘要
申请公布号
EP2005785(A1)
申请公布日期
2008.12.24
申请号
EP20070758653
申请日期
2007.03.16
申请人
DONALDSON COMPANY, INC.
发明人
KELENY, LLOYD;SIN, SHU LAM
分类号
H04R1/08;H04R25/00
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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