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发明名称
Perfectionnements aux systèmes de télévision
摘要
申请公布号
FR50613(E)
申请公布日期
1941.01.27
申请号
FRD50613
申请日期
1939.05.16
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
分类号
H04N5/52;H04N5/53
主分类号
H04N5/52
代理机构
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