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发明名称
Transmission d'informations auxiliaires dans un système de télévision
摘要
申请公布号
FR986258(A)
申请公布日期
1951.07.30
申请号
FRD986258
申请日期
1949.05.17
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H04N7/084;H04N7/087
主分类号
H04N7/084
代理机构
代理人
主权项
地址
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