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发明名称
Permanentmagnetsystem als Mittel zur Fuehrung der Elektronenstroemung von Elektronen-roehren fuer sehr kurze elektrische Wellen
摘要
申请公布号
DE1084385(B)
申请公布日期
1960.06.30
申请号
DE1956S050821
申请日期
1956.10.10
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
STETTER DR. RER. NAT. WOLFGANG
分类号
H01J23/087
主分类号
H01J23/087
代理机构
代理人
主权项
地址
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