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发明名称
Elektronenroehre mit einem oder mehreren Spanngittern
摘要
申请公布号
DE1176285(B)
申请公布日期
1964.08.20
申请号
DE1959D031271
申请日期
1959.08.12
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
SCHMIDT-BRUECKEN DIPL.-ING. HEINRICH
分类号
H01J19/38
主分类号
H01J19/38
代理机构
代理人
主权项
地址
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