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经营范围
发明名称
Call transfer operation
摘要
申请公布号
GB2330483(A)
申请公布日期
1999.04.21
申请号
GB19980026804
申请日期
1997.05.16
申请人
* TELEFONAKTIEBOLAGET L M ERICSSON
发明人
LUCIANO * BERTACCHI
分类号
H04M3/54;H04M7/00;H04Q3/00;(IPC1-7):H04M3/54;H04M3/46
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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