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经营范围
发明名称
PCM TDM CONCENTRATOR SWITCH WITH LOOPBACK FACILITY
摘要
申请公布号
NZ196291(A)
申请公布日期
1984.10.19
申请号
NZ19810196291
申请日期
1981.02.18
申请人
STANDARD TELEPHONES AND CABLES LTD.
发明人
REES, F. H.;MARTIN, D. F.;RYNESS, J. P.
分类号
H04M7/14;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04M7/14
代理机构
代理人
主权项
地址
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