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发明名称
Ensemble cathode-grille pour canons à électrons
摘要
申请公布号
FR1305897(A)
申请公布日期
1962.10.05
申请号
FR19610878700
申请日期
1961.11.13
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J29/48;H01J29/50
主分类号
H01J29/48
代理机构
代理人
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