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发明名称
PROCESS FOR PRODUCING A THERMIONIC CATHODE, AND THERMIONIC CATHODE MANUFACTURED BY THIS PROCESS
摘要
申请公布号
DE3274598(D1)
申请公布日期
1987.01.15
申请号
DE19823274598
申请日期
1982.12.03
申请人
PHILIPS PATENTVERWALTUNG GMBH;N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
FRANK, BERTHOLD, DR.;GARTNER, GEORG, DR.;LYDTIN, HANS, DR.
分类号
H01J1/13;H01J9/04;(IPC1-7):H01J1/13
主分类号
H01J1/13
代理机构
代理人
主权项
地址
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