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发明名称
Apparat med et Glødekatodestrømretterrør med Luftarts- eller Damp- eller baade Luftarts- og Dampfyldning, og hvis Udladningsbane skæres af et Magnetfelt.
摘要
申请公布号
DK66211(C)
申请公布日期
1948.01.19
申请号
DK19420000764
申请日期
1942.04.08
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
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代理人
主权项
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