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经营范围
发明名称
Improvements relating to the supply of current to thermionic valve amplifiers
摘要
申请公布号
GB464301(A)
申请公布日期
1937.04.15
申请号
GB19350031556
申请日期
1935.11.14
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H02M1/10
主分类号
H02M1/10
代理机构
代理人
主权项
地址
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