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发明名称
Private exchange
摘要
申请公布号
GB2307620(A)
申请公布日期
1997.05.28
申请号
GB19960024303
申请日期
1996.11.22
申请人
* SAMSUNG ELECTRONICS CO LIMITED
发明人
SUNG-CHAN * LEE
分类号
H04M3/42;H04M3/54;H04Q3/62;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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