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发明名称
High-frequency tube structure
摘要
申请公布号
US2414496(A)
申请公布日期
1947.01.21
申请号
US19420435954
申请日期
1942.03.24
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
VARIAN SIGURD F.;HAMILTON DONALD R.
分类号
H01J25/24
主分类号
H01J25/24
代理机构
代理人
主权项
地址
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