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经营范围
发明名称
Electron gun utilizing a strip transmission line to extract electrons from a cathode
摘要
申请公布号
US3309557(A)
申请公布日期
1967.03.14
申请号
US19630293304
申请日期
1963.07.08
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
CROWLEY-MILLING MICHAEL CROWLEY
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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