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发明名称
Tube amplificateur à propagation d'onde avec champ magnétique produit par un courant circulant dans un conducteur axial
摘要
申请公布号
FR64679(E)
申请公布日期
1955.12.01
申请号
FRD64679
申请日期
1953.08.17
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J25/44
主分类号
H01J25/44
代理机构
代理人
主权项
地址
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