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经营范围
发明名称
Selective screening of incoming calls for cellular telephone systems.
摘要
申请公布号
EP0676884(A3)
申请公布日期
1998.07.08
申请号
EP19950301290
申请日期
1995.02.28
申请人
AT&T CORP.
发明人
PARTRIDGE III, B. WARING
分类号
H04M3/54;H04M1/663;H04M3/42;H04M3/436;H04Q3/72;H04Q7/38;(IPC1-7):H04M3/42;H04Q7/00
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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