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发明名称
Improved method of manufacturing contact members for electric discharge tubes
摘要
申请公布号
GB443411(A)
申请公布日期
1936.02.27
申请号
GB19350020926
申请日期
1935.07.23
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J9/28;H01J19/66
主分类号
H01J9/28
代理机构
代理人
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