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发明名称
CONTROL COMMUNICATION IN SWITCHING SYSTEM
摘要
申请公布号
GB8411762(D0)
申请公布日期
1984.06.13
申请号
GB19840011762
申请日期
1984.05.09
申请人
AMERICAN TELEPHONE & TELEGRAPH CO
发明人
分类号
H04M7/14;H04Q11/04;(IPC1-7):H04M7/14
主分类号
H04M7/14
代理机构
代理人
主权项
地址
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