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发明名称
A WELDING DEVICE OF ELECTRON GUN
摘要
申请公布号
KR200147036(Y1)
申请公布日期
1999.06.15
申请号
KR19930031455U
申请日期
1993.12.31
申请人
ORION ELECTRIC CO., LTD.
发明人
KIM, KYEONG-JO
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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