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发明名称
Method for establishing a hold state of a connection between two terminals
摘要
申请公布号
EP0902579(A3)
申请公布日期
2000.02.02
申请号
EP19980115312
申请日期
1998.08.14
申请人
DEUTSCHE TELEKOM AG
发明人
SCHELLHAAS, WERNER
分类号
H04M3/428;H04M3/48;(IPC1-7):H04M3/00;H04M3/42
主分类号
H04M3/428
代理机构
代理人
主权项
地址
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