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发明名称
ARRANGEMENT FOR MEASURING RESIDUAL ATTENUATION IN DUPLEX OCCUPIED TELEPHONE COMMUNICATION CHANNELS
摘要
申请公布号
SU708519(A1)
申请公布日期
1980.01.05
申请号
SU19782615364
申请日期
1978.05.15
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
H04B3/46;(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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