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发明名称
High-frequency electronic tube
摘要
申请公布号
US2424002(A)
申请公布日期
1947.07.15
申请号
US19400364284
申请日期
1940.11.04
申请人
RESEARCH CORPORATION
发明人
SLOAN DAVID H.
分类号
H01J19/80
主分类号
H01J19/80
代理机构
代理人
主权项
地址
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