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经营范围
发明名称
Electron tube
摘要
申请公布号
US2918597(A)
申请公布日期
1959.12.22
申请号
US19560567129
申请日期
1956.02.23
申请人
EITEL-MCCULLOUGH, INC.
发明人
EITEL WILLIAM W.;MCCULLOUGH JACK A.;WUNDERLICH GEORGE F.
分类号
H01J19/34
主分类号
H01J19/34
代理机构
代理人
主权项
地址
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