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发明名称
ECHOANNULLIERER FUER EIN SYNCHRONES DUPLEX-DATENUEBERTRAGUNGSSYSTEM
摘要
申请公布号
DE3022553(A1)
申请公布日期
1981.01.08
申请号
DE19803022553
申请日期
1980.06.16
申请人
COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A.
发明人
LEVY,MICHEL;HAAG,JEAN-PHILIPPE
分类号
H04B3/23;(IPC1-7):H04L5/14;H04L25/03
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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