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发明名称
Direkt geheizte Gluehkathode fuer gas- oder dampfgefuellte elektrische Entladungsgefaesse
摘要
申请公布号
DE906730(C)
申请公布日期
1954.03.18
申请号
DE1939S014931D
申请日期
1939.04.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
ETZRODT DR. ADALBERT
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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