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发明名称
Verfahren zum Herstellen einer Elektronenröhre und nach diesem Verfahren hergestellte Röhre.
摘要
申请公布号
CH265649(A)
申请公布日期
1949.12.15
申请号
CHD265649
申请日期
1947.01.04
申请人
STANDARD TELEPHON UND RADIO AG.
发明人
AG. STANDARD TELEPHON UND RADIO
分类号
H01J19/34
主分类号
H01J19/34
代理机构
代理人
主权项
地址
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