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发明名称
PERMANENTMAGNET-FOKUSSIERVORRICHTUNG FUER ELEKTRONENROEHREN UND MIT SOLCHER VORRICHTUNG AUSGERUESTETE ELEKTRONENROEHREN
摘要
申请公布号
DE3012893(A1)
申请公布日期
1980.10.09
申请号
DE19803012893
申请日期
1980.04.02
申请人
THOMSON-CSF
发明人
PONTVIANNE,JEAN
分类号
H01J23/087;(IPC1-7):H01J3/24;H01J23/08
主分类号
H01J23/087
代理机构
代理人
主权项
地址
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