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发明名称
Tube électronique pour très hautes fréquences avec courant électronique en faisceau
摘要
申请公布号
FR1131008(A)
申请公布日期
1957.02.14
申请号
FRD1131008
申请日期
1955.09.16
申请人
SIEMENS & HALSKE A. G.
发明人
分类号
H01J23/00;H01J23/087
主分类号
H01J23/00
代理机构
代理人
主权项
地址
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