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发明名称
Tube électronique avec les circuits électriques correspondants
摘要
申请公布号
FR928514(A)
申请公布日期
1947.12.01
申请号
FRD928514
申请日期
1942.05.05
申请人
OFFICINE RADIO MARCONI
发明人
分类号
H01J43/02
主分类号
H01J43/02
代理机构
代理人
主权项
地址
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