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经营范围
发明名称
Photo-cathode electron source having an extractor grid
摘要
申请公布号
EP0933799(B1)
申请公布日期
2007.09.26
申请号
EP19980310072
申请日期
1998.12.08
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BEETESON, JOHN STUART;KNOX, ANDREW RAMSAY;LOWE, ANTHONY CYRIL
分类号
H01J9/12;H01J31/12;H01J1/34;H01J1/46;H01J9/02;H01J29/04;H04N5/68
主分类号
H01J9/12
代理机构
代理人
主权项
地址
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