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发明名称
摘要
申请公布号
FR2371769(B1)
申请公布日期
1980.06.20
申请号
FR19770032589
申请日期
1977.10.28
申请人
RCA CORP
发明人
分类号
H01J31/12;H01J1/20;H01J3/08;H01J29/04;H01J29/52;(IPC1-7):H01J1/13;H01J19/04
主分类号
H01J31/12
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