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发明名称
Thermionic emitter and method of making same
摘要
申请公布号
US3229147(A)
申请公布日期
1966.01.11
申请号
US19610135547
申请日期
1961.09.01
申请人
GENERAL ELECTRIC COMPANY
发明人
III JOHN H. AFFLECK
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
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地址
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