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发明名称
Elektronisches Hoerhilfegeraet
摘要
申请公布号
DE1105003(B)
申请公布日期
1961.04.20
申请号
DE1957A027022
申请日期
1957.04.25
申请人
MAURICE AUBERT;EUGENE MIQUELIS
发明人
AUBERT MAURICE;MIQUELIS EUGENE
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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