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发明名称
System for connecting a service and maintenance center to a digital telecommunications exchange
摘要
申请公布号
EP1021026(A3)
申请公布日期
2002.09.18
申请号
EP20000100220
申请日期
2000.01.14
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
HOFFMANN, JOHANNES;KLEIN, WILHELM
分类号
H04M3/22;(IPC1-7):H04M3/22;H04M3/42
主分类号
H04M3/22
代理机构
代理人
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