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发明名称
Contact-free hearing aid
摘要
申请公布号
PL381794(A1)
申请公布日期
2008.09.01
申请号
PL20070381794
申请日期
2007.02.20
申请人
CZY&ZDOT,EWSKI ANDRZEJ;KOSTEK BO&ZDOT,ENA;SKAR&ZDOT,Y&NACUTE,SKI HENRYK;SKAR&ZDOT,Y&NACUTE,SKI PIOTR
发明人
CZY&ZDOT,EWSKI ANDRZEJ;KOSTEK BO&ZDOT,ENA;SKAR&ZDOT,Y&NACUTE,SKI HENRYK;SKAR&ZDOT,Y&NACUTE,SKI PIOTR
分类号
H04R25/00;G10L21/00;H04R27/02
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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