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发明名称
Apparat med et udladningsrør, hvori hastigheden af elektronerne styres af en ultrahøjfrekvenssvingning.
摘要
申请公布号
DK80905(C)
申请公布日期
1956.04.30
申请号
DK19440000987
申请日期
1944.04.05
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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