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发明名称
Système de communication pour la transmission alternée de dgnaux et d'impulsions de synchronisation
摘要
申请公布号
FR982306(A)
申请公布日期
1951.06.08
申请号
FRD982306
申请日期
1949.03.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04J3/06;H04N5/06
主分类号
H04J3/06
代理机构
代理人
主权项
地址
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