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经营范围
发明名称
Implantable electronic hearing aid
摘要
申请公布号
USRE31031(E)
申请公布日期
1982.09.14
申请号
US19790102377
申请日期
1979.12.11
申请人
发明人
分类号
A61F11/04;A61N1/36;H04R25/00
主分类号
A61F11/04
代理机构
代理人
主权项
地址
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