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发明名称
Telekommunikationsverfahren mit Übertragung von Zusatzinformationen an eine Teilnehmerstation, sowie Telekommunikationssystem, Teilnehmerstation und Vermittlungsstelle
摘要
申请公布号
DE102005049720(B4)
申请公布日期
2009.02.05
申请号
DE200510049720
申请日期
2005.10.14
申请人
PIXCALL GMBH
发明人
BACHENBERG, MICHAEL
分类号
H04M1/57;H04M11/00;H04M15/00;H04Q1/30
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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