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经营范围
发明名称
End space radiation inhibiting means for magnetrons
摘要
申请公布号
GB1142530(A)
申请公布日期
1969.02.12
申请号
GB19660055595
申请日期
1966.12.12
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J23/05;H01J25/50;H01J25/56
主分类号
H01J23/05
代理机构
代理人
主权项
地址
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