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经营范围
发明名称
Electron beam tube
摘要
申请公布号
US2748313(A)
申请公布日期
1956.05.29
申请号
US19520281612
申请日期
1952.04.10
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
PERILHOU JEAN ROBERT;LODEWIJK JOHAN
分类号
H01J29/74
主分类号
H01J29/74
代理机构
代理人
主权项
地址
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