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发明名称
HEARING AID
摘要
申请公布号
GB2211694(B)
申请公布日期
1992.01.08
申请号
GB19880024731
申请日期
1988.10.21
申请人
ODED * PERI
发明人
ODED * PERI
分类号
H04R25/00;A61F11/00;H04R1/10
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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