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发明名称
TIME DIVISION MULTIPLEX TELEPHONE EXCHANGE
摘要
申请公布号
GB2008896(B)
申请公布日期
1982.02.17
申请号
GB19780044371
申请日期
1978.11.14
申请人
INT. STANDARD ELECTRIC CORP
发明人
分类号
H04Q1/24;H04Q11/04;(IPC1-7):H04M3/36
主分类号
H04Q1/24
代理机构
代理人
主权项
地址
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