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发明名称
Appareil électrique de présentation visuelle
摘要
申请公布号
FR1525792(A)
申请公布日期
1968.05.17
申请号
FR19670109428
申请日期
1967.06.07
申请人
DOUGLAS LEIGH, INC.
发明人
分类号
H04N3/12;H04N3/14
主分类号
H04N3/12
代理机构
代理人
主权项
地址
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