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发明名称
ELECTRIC DISCHARGE TUBES
摘要
申请公布号
IE16036(L)
申请公布日期
1939.07.08
申请号
IED16036
申请日期
1939.01.09
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J5/46;H01J5/52;H01J19/62;H01J19/66;(IPC1-7):H01J19/62
主分类号
H01J5/46
代理机构
代理人
主权项
地址
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