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发明名称
AKTIVER KOPFHÖRER MIT ERHÖHTER SELEKTIVITÄT
摘要
申请公布号
AT174732(T)
申请公布日期
1999.01.15
申请号
AT19920913700T
申请日期
1992.06.05
申请人
NOISE CANCELLATION TECHNOLOGIES, INC.
发明人
CLAYBAUGH, DAVID;DENENBERG, JEFFREY;BUSCH, RALPH;HOHMAN, JOHN
分类号
G10K11/16;H03B29/00;(IPC1-7):H03B29/00
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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