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发明名称
Elektrisk Udladningsrør og Fremgangsmaade til Fremstilling af et saadant.
摘要
申请公布号
DK54281(C)
申请公布日期
1938.02.07
申请号
DKD54281
申请日期
1935.07.09
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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