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发明名称
Ligne de retard perfectionnée, plus particulièrement destinée aux tubes à ondes progressives, et tube à ondes progressives muni de cette ligné
摘要
申请公布号
FR1078572(A)
申请公布日期
1954.11.19
申请号
FRD1078572
申请日期
1953.03.31
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01J23/30
主分类号
H01J23/30
代理机构
代理人
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地址
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