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发明名称
HALBLEITERKALTKATHODE
摘要
申请公布号
DE2345679(A1)
申请公布日期
1974.04.04
申请号
DE19732345679
申请日期
1973.09.11
申请人
N.V.PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MARTIN SHANNON,JOHN;ERNEST RALPH,JOHN
分类号
H01J40/02;H01J1/34;H01J43/08;H01L21/00;H01L27/144;H01L27/146;H01L31/112;H01L31/153;(IPC1-7):H01J1/34;H01J39/06
主分类号
H01J40/02
代理机构
代理人
主权项
地址
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