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发明名称
Method for screening telephone calls at the recipient's end
摘要
申请公布号
EP0720340(A3)
申请公布日期
1999.05.19
申请号
EP19950119490
申请日期
1995.12.11
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
ARBENZ, DIETRICH, DIPL.-ING.
分类号
H04M1/57;H04M1/663;(IPC1-7):H04M1/66
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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