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发明名称
AUTOMATIC TELEPHONE SYSTEM PROVIDED WITH MEANS,OF PROTECTION AGAINST UNINTENTIONAL INTERRUPTIONS DURING REGISTER SIGNALLING
摘要
申请公布号
EG13231(A)
申请公布日期
1980.10.31
申请号
EG19760000461
申请日期
1976.07.28
申请人
ERICSSON TELEFON AB L M
发明人
分类号
H04Q3/545;H04M3/00;H04Q1/30;H04Q1/45;(IPC1-7):H04Q1/45
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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