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发明名称
ELECTRON BEAM TUBE WITH ELECTROSTATIC ELECTRON EMISSION ELECTRON SOURCE
摘要
申请公布号
JPS52146545(U)
申请公布日期
1977.11.07
申请号
JP19760055735U
申请日期
1976.04.30
申请人
发明人
分类号
A01F12/24;A01F12/26;A01F12/32;A01F12/44;(IPC1-7):A01F12/26
主分类号
A01F12/24
代理机构
代理人
主权项
地址
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