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发明名称
APPARATUS AND METHOD FOR REDUCING ACOUSTIC FEEDBACK
摘要
申请公布号
EP0719493(A4)
申请公布日期
1998.12.02
申请号
EP19940927388
申请日期
1994.09.09
申请人
THOMASSON, SAMUEL L
发明人
THOMASSON, SAMUEL L
分类号
H04R3/00;H04R25/00;H04R27/00;(IPC1-7):H04R27/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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