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发明名称
Indirekt geheitzte Kathode fuer elektrische Entladungsgefaesse
摘要
申请公布号
DE952543(C)
申请公布日期
1956.11.15
申请号
DED952543
申请日期
1954.02.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KATZ DR. HELMUT
分类号
H01J1/28;H01J9/04
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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