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经营范围
发明名称
SWITCHING SYSTEM
摘要
申请公布号
GB1531334(A)
申请公布日期
1978.11.08
申请号
GB19760007120
申请日期
1976.02.23
申请人
THOMSON CSF
发明人
分类号
H04Q3/545;(IPC1-7):H04Q3/54
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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