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发明名称
Guide de retardement à caractéristique de filtre pour tube à propagation de champ
摘要
申请公布号
FR1170722(A)
申请公布日期
1959.01.16
申请号
FRD1170722
申请日期
1956.10.15
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01J23/28
主分类号
H01J23/28
代理机构
代理人
主权项
地址
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