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发明名称
Improvements in or relating to devices comprising electric discharge tubes
摘要
申请公布号
GB602228(A)
申请公布日期
1948.05.21
申请号
GB19460010600
申请日期
1946.04.05
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H01J21/14
主分类号
H01J21/14
代理机构
代理人
主权项
地址
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