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发明名称
SYSTEME DE TRANSMISSION POUR TRANSMETTRE DES SIGNAUX NUMERIQUESA NIVEAUX MULTIPLES
摘要
申请公布号
BE758978(A1)
申请公布日期
1971.04.30
申请号
BED758978
申请日期
申请人
WESTERN ELECTRIC CY INC., 195 BROADWAY, NEW YORK, N.Y. (E.U.A.),
发明人
S.L. FREENY;B.G. KING;T.J. PEDERSEN
分类号
H04B3/04;H04L5/04;H04L25/03;H04L25/48;(IPC1-7):G08B/
主分类号
H04B3/04
代理机构
代理人
主权项
地址
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