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发明名称
IMPROVED HEARING AID
摘要
申请公布号
IL66008(D0)
申请公布日期
1982.09.30
申请号
IL19820066008
申请日期
1982.06.08
申请人
MANTEL JUVAL
发明人
分类号
H04K;H04R;(IPC1-7):H04K/
主分类号
H04K
代理机构
代理人
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