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发明名称
SECONDARY ELECTRON EMITTING SYSTEM
摘要
申请公布号
CA561373(A)
申请公布日期
1958.08.05
申请号
CAD561373
申请日期
申请人
GENERAL ELECTRIC COMPANY
发明人
LEWIS R. KOLLER
分类号
主分类号
代理机构
代理人
主权项
地址
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