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发明名称
High frequency tube method and apparatus
摘要
申请公布号
US3207943(A)
申请公布日期
1965.09.21
申请号
US19620220327
申请日期
1962.08.29
申请人
ARMAND STAPRANS
发明人
STAPRANS ARMAND
分类号
H01J19/74;H01J23/033;H01J23/20;H01J23/48;H01J25/12;H01P1/08
主分类号
H01J19/74
代理机构
代理人
主权项
地址
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