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发明名称
Improvements in gasfilled electric discharge tubes
摘要
申请公布号
GB419866(A)
申请公布日期
1934.11.20
申请号
GB19340014546
申请日期
1934.05.14
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J61/06;H01J61/067
主分类号
H01J61/06
代理机构
代理人
主权项
地址
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