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发明名称
Electron tube
摘要
申请公布号
US2376040(A)
申请公布日期
1945.05.15
申请号
US19430515186
申请日期
1943.12.21
申请人
ELTELMCCUILOUGH, INC.
发明人
EITEL WILLIAM W.;MCCULLOUGH JACK A.
分类号
H01J19/28
主分类号
H01J19/28
代理机构
代理人
主权项
地址
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