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发明名称
Improvements in or relating to electric discharge devices
摘要
申请公布号
GB508722(A)
申请公布日期
1939.07.05
申请号
GB19380002859
申请日期
1938.01.29
申请人
FERRANTI LIMITED;ARTHUR LESLIE CHILCOT;LEONARD ATKINSON
发明人
分类号
H01J13/38
主分类号
H01J13/38
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