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发明名称
Perfectionnements à un dispositif de chiffrage pour télévision en couleurs par abonnement
摘要
申请公布号
FR1124953(A)
申请公布日期
1956.10.22
申请号
FRD1124953
申请日期
1955.03.07
申请人
ZENITH RADIO CORPORATION
发明人
分类号
H04N7/167;H04N7/169;H04N11/14
主分类号
H04N7/167
代理机构
代理人
主权项
地址
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