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发明名称
Photocathode
摘要
申请公布号
US2603757(A)
申请公布日期
1952.07.15
申请号
US19480059661
申请日期
1948.11.05
申请人
EMANUEL SHELDON EDWARD
发明人
SHELDON EDWARD EMANUEL
分类号
C09K11/00;H01J1/34;H01J29/38
主分类号
C09K11/00
代理机构
代理人
主权项
地址
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