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发明名称
Improvements in the construction of envelopes and electrode conductors for electric discharge tubes
摘要
申请公布号
GB496803(A)
申请公布日期
1938.12.06
申请号
GB19380016007
申请日期
1938.05.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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