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发明名称
Electron discharge device
摘要
申请公布号
US2611882(A)
申请公布日期
1952.09.23
申请号
US19480006283
申请日期
1948.02.04
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
BAILEY ROBERT S.
分类号
H01J25/64
主分类号
H01J25/64
代理机构
代理人
主权项
地址
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