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发明名称
Perfectionnements aux tubes amplificateurs à émission secondaire
摘要
申请公布号
FR1198046(A)
申请公布日期
1959.12.04
申请号
FRD1198046
申请日期
1958.02.27
申请人
LABORATOIRES D'ELECTRONIQUE ET DE PHYSIQUE APPLIQUEES
发明人
CHAMPEIX ROBERT
分类号
H01J43/08
主分类号
H01J43/08
代理机构
代理人
主权项
地址
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