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发明名称
Ausbildung einer Elektronenstrahlroehre mit rotationssymmetrischem Elektridenaufbau als Mehrfachroehre
摘要
申请公布号
DE678604(C)
申请公布日期
1939.07.20
申请号
DE1935T046100D
申请日期
1935.12.04
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
HOLLMANN DR.-ING. HABIL. HANS ERICH
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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