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发明名称
Canons à électrons et leurs procédés de construction
摘要
申请公布号
FR1337171(A)
申请公布日期
1963.09.06
申请号
FR19620913738
申请日期
1962.10.29
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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