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发明名称
BUSINESS COMMUNICATION NUMBER
摘要
申请公布号
EP0531268(A3)
申请公布日期
1994.09.21
申请号
EP19920850197
申请日期
1992.08.18
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
HAYES, JOHN;SCHMID, GLEN HERMAN
分类号
H04M3/42;H04M11/00;H04Q3/58;H04Q3/62;(IPC1-7):H04Q3/62
主分类号
H04M3/42
代理机构
代理人
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