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发明名称
Verfahren und Vorrichtung zum universellen und gesicherten Zugang zu angebotenen Multimediadiensten über das Telefonnetz
摘要
申请公布号
DE19609232(A1)
申请公布日期
1997.09.11
申请号
DE19961009232
申请日期
1996.03.09
申请人
DEUTSCHE TELEKOM AG, 53113 BONN, DE
发明人
KORST, UWE K. H., DIPL.-ING., 64625 BENSHEIM, DE
分类号
G07F7/00;G07F7/08;H04M3/38;H04M3/493;H04M3/51;H04M15/00;H04M17/00;(IPC1-7):H04M3/42;H04M1/00;H04M11/00
主分类号
G07F7/00
代理机构
代理人
主权项
地址
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