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发明名称
Procédé de modulation en densité d'un faisceau électronique et dispositif électronique pour la mise en oeuvre dudit procédé.
摘要
申请公布号
CH261786(A)
申请公布日期
1949.05.31
申请号
CHD261786
申请日期
1947.04.18
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
分类号
H01J25/02
主分类号
H01J25/02
代理机构
代理人
主权项
地址
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