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发明名称
EAR WAX BARRIER FOR A HEARING AID
摘要
申请公布号
IL85868(D0)
申请公布日期
1988.09.30
申请号
IL19880085868
申请日期
1988.03.25
申请人
BELTONE ELECTRONICS CORPORATION
发明人
分类号
H04R1/10;H04R25/00;H04R25/02;(IPC1-7):A61F/
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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