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发明名称
Electron discharge device having an exchangeable electrode
摘要
申请公布号
US3312855(A)
申请公布日期
1967.04.04
申请号
US19630249497
申请日期
1963.01.04
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
MELLING RICHARD J.
分类号
H01J41/04
主分类号
H01J41/04
代理机构
代理人
主权项
地址
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