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发明名称
Halbindirekt geheizte Kathode fuer Elektronenroehren
摘要
申请公布号
DE1146985(B)
申请公布日期
1963.04.11
申请号
DE1960S071134
申请日期
1960.11.04
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GANSWINDT HARTMUT;SEIFFARTH DIPL.-ING. WERNER
分类号
H01J1/16;H01J1/22
主分类号
H01J1/16
代理机构
代理人
主权项
地址
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