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经营范围
发明名称
Electron focusing structure
摘要
申请公布号
GB819576(A)
申请公布日期
1959.09.09
申请号
GB19550029636
申请日期
1955.10.18
申请人
CHROMATIC TELEVISION LABORATORIES INC.
发明人
分类号
H01J29/80
主分类号
H01J29/80
代理机构
代理人
主权项
地址
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