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发明名称
A FIXED DEVICE OF AN ELECTRODE OF AN ELECTRONIC GUN
摘要
申请公布号
KR200175709(Y1)
申请公布日期
2000.03.15
申请号
KR19990019621U
申请日期
1999.09.14
申请人
KWON, DOO SANG
发明人
KWON, DOO SANG
分类号
H01J29/48;(IPC1-7):H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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