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发明名称
Tube à décharge électronique
摘要
申请公布号
CH402198(A)
申请公布日期
1965.11.15
申请号
CH19620009053
申请日期
1962.07.27
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
RALPH BAGNALL,JOHN
分类号
H01J23/20;H01J23/207
主分类号
H01J23/20
代理机构
代理人
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地址
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