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发明名称
Electron Beam Column
摘要
申请公布号
GB1162732(A)
申请公布日期
1969.08.27
申请号
GB19670035206
申请日期
1967.08.01
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B7/09;G11C13/04;H01J29/52;H01J29/82;H01J37/04;H01J37/09;H01J37/21;H01J37/244;H01J37/304
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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