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发明名称
DEVICE FOR CONTINUOUS AUTOMATIC QUALITY CONTROL OF FOUR=WIRE TELEPHONE CHANNEL
摘要
申请公布号
SU1030982(A2)
申请公布日期
1983.07.23
申请号
SU19813333702
申请日期
1981.09.02
申请人
KARETIN IVAN S,SU;NOVOZHILOV LEONID N,SU;NURMUKHAMEDOV LEON KH,SU;PROKOPOVICH NIKOLAJ N,SU
发明人
KARETIN IVAN S,SU;NOVOZHILOV LEONID N,SU;NURMUKHAMEDOV LEON KH,SU;PROKOPOVICH NIKOLAJ N,SU
分类号
H04J3/14;(IPC1-7):H04J3/14
主分类号
H04J3/14
代理机构
代理人
主权项
地址
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