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发明名称
Improvements in or relating to a method of manufacturing electric discharge tubes
摘要
申请公布号
GB652994(A)
申请公布日期
1951.05.09
申请号
GB19480003400
申请日期
1948.02.05
申请人
PHILIPS ELECTRICAL LIMITED
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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