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发明名称
Verfahren zur Einstellung der Lautstärke bei Fernsprech-Endgeräten
摘要
申请公布号
DE4123763(C2)
申请公布日期
2000.01.20
申请号
DE19914123763
申请日期
1991.07.18
申请人
ROBERT BOSCH GMBH
发明人
STEUER, MANFRED
分类号
H04M1/60;H04M19/04;(IPC1-7):H04M1/60
主分类号
H04M1/60
代理机构
代理人
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