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发明名称
High frequency tube
摘要
申请公布号
US2316236(A)
申请公布日期
1943.04.13
申请号
US19400369522
申请日期
1940.12.11
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
GOODCHILD FRANK DOUGLAS
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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