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发明名称
Hearing instrument vent
摘要
申请公布号
EP1465458(A3)
申请公布日期
2006.05.24
申请号
EP20040008221
申请日期
2004.04.05
申请人
GENNUM CORPORATION
发明人
RYAN, JIM G.
分类号
H04R25/00;H04R25/02
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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