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发明名称
Elektrische Entladungsröhre zum Verstärken elektrischer Schwingungen
摘要
申请公布号
CH428948(A)
申请公布日期
1967.01.31
申请号
CH19630015933
申请日期
1963.12.24
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MARIE VAN TOL,HENDRIKUS JOHANNES
分类号
H01J19/28;H01J19/40;H01J19/42;(IPC1-7):H01J1/02
主分类号
H01J19/28
代理机构
代理人
主权项
地址
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