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发明名称
UN DISPOSITIVO DE CATODO PARA UN MAGNETRON.
摘要
申请公布号
ES348151(A1)
申请公布日期
1969.03.16
申请号
ES19510003481
申请日期
1967.12.12
申请人
N. V. PHILIPS'GLOEILAMPENFABRIEKEN
发明人
分类号
H01J23/05;(IPC1-7):H01J/
主分类号
H01J23/05
代理机构
代理人
主权项
地址
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