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发明名称
Anode fuer Elektronenroehren mit Kathoden, deren hochemittierender Belag auf den Kathodenkoerper aufgestaeubt wird
摘要
申请公布号
DE644087(C)
申请公布日期
1937.04.23
申请号
DE1928L071270D
申请日期
1928.03.08
申请人
DR. BERNHARD LOEWE
发明人
分类号
H01J9/04;H01J9/50
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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