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发明名称
ARRANGEMENT FOR THE ACOUSTIC FEEDBACK OF LOUDSPEAKERS
摘要
申请公布号
EP0171065(A3)
申请公布日期
1986.11.20
申请号
EP19850109881
申请日期
1985.08.06
申请人
MUELLER FRIEDRICH
发明人
MUELLER FRIEDRICH
分类号
H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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