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发明名称
Thermionic device
摘要
申请公布号
US1924318(A)
申请公布日期
1933.08.29
申请号
US19280268976
申请日期
1928.04.10
申请人
GENERAL ELECTRIC COMPANY
发明人
HULL ALBERT W.;RUGGLES WILLIAM A.
分类号
H01J1/20;H01J17/06
主分类号
H01J1/20
代理机构
代理人
主权项
地址
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