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经营范围
发明名称
Electron discharge devices and to circuit arrangements embodying such devices
摘要
申请公布号
US2960617(A)
申请公布日期
1960.11.15
申请号
US19580712859
申请日期
1958.02.03
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
LODGE JAMES ALEC;WEBLEY REGINALD SIDNEY
分类号
H01J29/44
主分类号
H01J29/44
代理机构
代理人
主权项
地址
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