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发明名称
Verfahren und Einrichtung zur automatischen Regelung der Lautstärke eines Lautsprechers abhängig vom Störpegel der Umgebung
摘要
申请公布号
DE4210707(C2)
申请公布日期
1997.10.16
申请号
DE19924210707
申请日期
1992.03.28
申请人
GRUETZMANN, PETER, 1000 BERLIN, DE
发明人
GRUETZMANN, PETER, 1000 BERLIN, DE
分类号
H03G3/32;H04R3/00;(IPC1-7):H04R3/00
主分类号
H03G3/32
代理机构
代理人
主权项
地址
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