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发明名称
ELECTRONIC TELEGRAPHIC APPARATUS AUTOMATIC ANSWER-BACK DEVICE
摘要
申请公布号
SU832761(A1)
申请公布日期
1981.05.23
申请号
SU19792807150
申请日期
1979.08.06
申请人
TVERDOV BORIS ,SU;YUKHNEVICH NIKOLAJ P,SU
发明人
TVERDOV BORIS I,SU;YUKHNEVICH NIKOLAJ P,SU
分类号
H04L17/02;(IPC1-7):H04L17/02
主分类号
H04L17/02
代理机构
代理人
主权项
地址
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