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发明名称
COMMUNICATION CHANNEL CHECKING DEVICE
摘要
申请公布号
SU649144(A1)
申请公布日期
1979.02.25
申请号
SU19772454304
申请日期
1977.02.17
申请人
RYAZANSKIJ RADIOTEKHNICHESKIJ INSTITUT
发明人
KORICHNEV LEONID P,SU;LAGUTKIN VIKTOR N,SU;MARKIN VALERIJ E,SU
分类号
H04B3/46;(IPC1-7):H04B3/46
主分类号
H04B3/46
代理机构
代理人
主权项
地址
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