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经营范围
发明名称
Improvements in or relating to methods and machines for making grids for electron discharge tubes
摘要
申请公布号
GB933180(A)
申请公布日期
1963.08.08
申请号
GB19620020853
申请日期
1962.05.30
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
KELLY EARLE SAMUEL
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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