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发明名称
Aus einem Buendel Draehte bestehender Kathodendochteinsatz fuer Metall-dampfentladungsapparate, insbesondere Quecksilberdampfgleichrichter
摘要
申请公布号
DE644889(C)
申请公布日期
1937.05.14
申请号
DED644889D
申请日期
1930.09.27
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
分类号
H01J13/12
主分类号
H01J13/12
代理机构
代理人
主权项
地址
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