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发明名称
Traveling wave electron discharge device
摘要
申请公布号
US2834909(A)
申请公布日期
1958.05.13
申请号
US19540437461
申请日期
1954.06.17
申请人
VARIAN ASSOCIATES
发明人
BEAVER WILLIAM L.
分类号
H01J23/083;H01J25/40
主分类号
H01J23/083
代理机构
代理人
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地址
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