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发明名称
Improvements in and relating to electric converting systems
摘要
申请公布号
GB506090(A)
申请公布日期
1939.05.23
申请号
GB19380008702
申请日期
1938.03.21
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H02M3/31
主分类号
H02M3/31
代理机构
代理人
主权项
地址
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