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发明名称
Sistema de eletrodo dinámico de 4 pólos em eletrodo de pré-foco em canhão de elétrons para tubo colorido de raios catódicos
摘要
申请公布号
BR9700437(A)
申请公布日期
1997.11.04
申请号
BR1997PI00437
申请日期
1997.03.21
申请人
LG ELECTRONICS INC.
发明人
SUNG HO CHO
分类号
H01J29/50;(IPC1-7):H01J29/80
主分类号
H01J29/50
代理机构
代理人
主权项
地址
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