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发明名称
SPPARATUS FOR PROCESSING TELEPHONE SIGNALLING
摘要
申请公布号
GB1565332(A)
申请公布日期
1980.04.16
申请号
GB19780012535
申请日期
1978.03.30
申请人
CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SPA
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
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