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发明名称
Kathode für eine elektrische Entladungsröhre
摘要
申请公布号
AT287128(B)
申请公布日期
1971.01.11
申请号
AT19680001068
申请日期
1968.02.05
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J1/14;H01J1/28;(IPC1-7):H01J1/28
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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