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发明名称
PROEVEBAENK FOR ELEKTROAKUSTISKE KAEDER, NAVNLIG FOR EN HOEREKORREKTIONSINDRETNING
摘要
申请公布号
DK163702(C)
申请公布日期
1993.02.22
申请号
DK19840002606
申请日期
1984.05.25
申请人
MICHAS, FREDERIC
发明人
MICHAS, FREDERIC
分类号
A61B5/12;H04R25/00;H04R29/00;(IPC1-7):H04R29/00
主分类号
A61B5/12
代理机构
代理人
主权项
地址
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