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发明名称
Elektronenroehre mit einem Sockel aus keramischem Isoliermaterial mit geringen dielektrischen Verlusten
摘要
申请公布号
DE701942(C)
申请公布日期
1941.01.27
申请号
DE1934ST52308D
申请日期
1934.06.20
申请人
STEATIT-MAGNESIA AKT.-GES.
发明人
ALBERS-SCHOENBERG DR. ERNST
分类号
C04B37/00
主分类号
C04B37/00
代理机构
代理人
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