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发明名称
Multiplicateur d'électrons secondaires
摘要
申请公布号
FR872458(A)
申请公布日期
1942.06.10
申请号
FRD872458
申请日期
1941.05.24
申请人
FERNSEH G.M.B.H.
发明人
分类号
H01J43/22
主分类号
H01J43/22
代理机构
代理人
主权项
地址
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