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经营范围
发明名称
Traveling wave tube
摘要
申请公布号
US2645737(A)
申请公布日期
1953.07.14
申请号
US19490102317
申请日期
1949.06.30
申请人
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
发明人
FIELD LESTER M.
分类号
A62B18/08;A62D7/00;C09K3/18;H01J23/24
主分类号
A62B18/08
代理机构
代理人
主权项
地址
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