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发明名称
Improvements in and relating to circuits embodying electron discharge tubes
摘要
申请公布号
GB641207(A)
申请公布日期
1950.08.09
申请号
GB19480021851
申请日期
1948.08.18
申请人
A. C. COSSOR LIMITED;DENNIS HENRY COVILL
发明人
分类号
H03F1/08
主分类号
H03F1/08
代理机构
代理人
主权项
地址
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