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发明名称
CATHODE RAY TUBE HAVING AN ELECTRON GUN CONSTRUCTED FOR READAY REFOCUSING OF THE ELECTRON BEAM
摘要
申请公布号
EP0283941(B1)
申请公布日期
1993.06.09
申请号
EP19880104288
申请日期
1988.03.17
申请人
IWATSU ELECTRIC CO., LTD.
发明人
KATO, TAKEFUMI;HARADA, TOSCHIHIRO;AKIZUKI, OSAMU
分类号
H01J29/62;H01J31/12
主分类号
H01J29/62
代理机构
代理人
主权项
地址
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