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发明名称
Verfahren zur digitalen Datenuebertragung auf Fernsprechleitungen
摘要
申请公布号
DE1762478(A1)
申请公布日期
1970.05.27
申请号
DE19681762478
申请日期
1968.06.25
申请人
INTERNATIONAL STANDARD ELECTRIC CORP.
发明人
LAWRENCE SHARPE,JOHN THOMAS
分类号
H04J1/00;H03C1/60;H04B1/68;H04L27/04;H04L27/06
主分类号
H04J1/00
代理机构
代理人
主权项
地址
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