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发明名称
Improvements in and relating to electric valve circuits
摘要
申请公布号
GB482982(A)
申请公布日期
1938.04.08
申请号
GB19370006076
申请日期
1937.03.01
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H02M1/02
主分类号
H02M1/02
代理机构
代理人
主权项
地址
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