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发明名称
Nouveau tube électronique pour ultra-hautes fréquences
摘要
申请公布号
FR1035411(A)
申请公布日期
1953.08.24
申请号
FRD1035411
申请日期
1951.04.14
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
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