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发明名称
Vorrichtung zur Fernsehprogrammumschaltung unter Verwendung eines Fernsehtextdecoders
摘要
申请公布号
DE4438412(C2)
申请公布日期
2001.05.10
申请号
DE19944438412
申请日期
1994.10.27
申请人
GRUNDIG AG
发明人
HEIDER, PETER
分类号
H04N5/50;H04N5/761;H04N7/088;(IPC1-7):H04N5/445;H04N5/44;H04N5/765
主分类号
H04N5/50
代理机构
代理人
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地址
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