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经营范围
发明名称
ELECTROSTATIC FOCUSSING SYSTEM FOR A TELEVISION CAMERA TUBE
摘要
申请公布号
GB2053561(B)
申请公布日期
1984.02.08
申请号
GB19800020221
申请日期
1980.06.20
申请人
HITACHI LTD
发明人
分类号
H01J3/02;H01J29/48;H01J29/56;H01J29/62;(IPC1-7):H01J29/62;H01J31/34
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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