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发明名称
DISPOSITF PERMETTANT D'ENGENDRER UN COURANT D'ELECTRONS
摘要
申请公布号
BE748170(A1)
申请公布日期
1970.09.28
申请号
BED748170
申请日期
1970.03.27
申请人
N.V. PHILIPS'GLOEILAMPENFABRIEKEN, EMMASINGEL, 6, EINDHOVEN, PAYS-BAS,
发明人
分类号
H01J1/32;H01J1/34;H01J1/35;H01L31/00;(IPC1-7):H01J/
主分类号
H01J1/32
代理机构
代理人
主权项
地址
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