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经营范围
发明名称
Elektrische Entladungsröhre.
摘要
申请公布号
CH194571(A)
申请公布日期
1937.12.15
申请号
CHD194571
申请日期
1937.03.06
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
代理人
主权项
地址
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