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发明名称
ELEKTRONISKE FILTRE TIL HOEREAPPARATER OG ANDRE ELEKTROAKUSTISKE ANLAEG OG FREMGANGSMAADE VED DISSES DRIFT
摘要
申请公布号
DK144589(A)
申请公布日期
1989.09.24
申请号
DK19890001445
申请日期
1989.03.22
申请人
CENTRAL INSTITUTE FOR THE DEAF
发明人
ENGEBRETSON, A. MAYNARD;O'CONNELL, MICHAEL P.;ZHENG, BAOHUA
分类号
H04R25/04;H03H21/00;H04R3/04;H04R25/00;H04R25/02;(IPC1-7):H04R25/00
主分类号
H04R25/04
代理机构
代理人
主权项
地址
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