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经营范围
发明名称
DEVICE FOR CHECKING QUALITY OF COMMUNICATION CHANNEL
摘要
申请公布号
SU764142(A1)
申请公布日期
1980.09.15
申请号
SU19782663800
申请日期
1978.08.25
申请人
RYAZANSKIJ RADIOTEKHNICHESKIJ
发明人
KORICHNEV LEONID P,SU;LAGUTKIN VIKTORV N,SU;MINAEV YURIJ M,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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