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发明名称
DEVICE FOR MEASURING RESIDUAL ATTENUATION IN OCCUPIED TELEPHONIC CHANNELS
摘要
申请公布号
SU760464(A2)
申请公布日期
1980.08.30
申请号
SU19782612538
申请日期
1978.05.05
申请人
ABRAMENKO BORIS S,SU;NEMUDRUK LEONID N,SU;ILYUKHIN VIKTOR ,SU;LYUBIMOV YURIJ ,SU
发明人
ABRAMENKO BORIS S,SU;NEMUDRUK LEONID N,SU;ILYUKHIN VIKTOR ,SU;LYUBIMOV YURIJ ,SU
分类号
H04B3/48;(IPC1-7):H04B3/48
主分类号
H04B3/48
代理机构
代理人
主权项
地址
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