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经营范围
发明名称
THE CATHODE STRUCTURE HEATED DIRECTLY BY HEATER
摘要
申请公布号
KR900002351(Y1)
申请公布日期
1990.03.22
申请号
KR19900000351U
申请日期
1990.01.13
申请人
GOLD STAR CO.LTD.
发明人
KWON SU-KEUN;HAN SUK-SUN
分类号
H01J1/15;(IPC1-7):H01J1/15
主分类号
H01J1/15
代理机构
代理人
主权项
地址
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