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经营范围
发明名称
Radio frequency electron tubes
摘要
申请公布号
GB984894(A)
申请公布日期
1965.03.03
申请号
GB19620019523
申请日期
1962.05.21
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J23/36;H01P1/08
主分类号
H01J23/36
代理机构
代理人
主权项
地址
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