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发明名称
Electronic tube
摘要
申请公布号
US2401059(A)
申请公布日期
1946.05.28
申请号
US19420444242
申请日期
1942.05.23
申请人
EITEL-MCCULLOUGH, INC.
发明人
EITEL WILLIAM W.;MCCULLOUGH JACK A.
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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