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发明名称
Tube à ondes progressives de forme circulaire à champs électrique et magnétique coisés, avec une atténuation localisée intercalée dans la ligne à retard
摘要
申请公布号
FR1000853(A)
申请公布日期
1952.02.18
申请号
FRD1000853
申请日期
1949.11.24
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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