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发明名称
Elektronenröhre, insbesondere zur Verstärkung von elektrischen Schwingungen.
摘要
申请公布号
CH180179(A)
申请公布日期
1935.10.15
申请号
CHD180179
申请日期
1934.06.16
申请人
VEREINIGTE GLUEHLAMPEN UND ELEKTRIZITAETS AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT VEREINIGTE GLUEHLAMPEN UND ELEKTRIZITAETS
分类号
主分类号
代理机构
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