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发明名称
Elektronenentladungsvorrichtung
摘要
申请公布号
DE2131542(A1)
申请公布日期
1971.12.30
申请号
DE19712131542
申请日期
1971.06.22
申请人
EMI LTD.
发明人
JOHN GIBBONS,DAVID
分类号
H01J29/44;H01J29/45
主分类号
H01J29/44
代理机构
代理人
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地址
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