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经营范围
发明名称
Penetrating ray transducer
摘要
申请公布号
US2809323(A)
申请公布日期
1957.10.08
申请号
US19540418414
申请日期
1954.03.24
申请人
GENERAL ELECTRIC COMPANY
发明人
JACOBS JOHN E.;BERGER HAROLD
分类号
H01J29/45;H01J31/48;H01J31/49;H01L21/00
主分类号
H01J29/45
代理机构
代理人
主权项
地址
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