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经营范围
发明名称
Improvements relating to electric converters
摘要
申请公布号
GB994808(A)
申请公布日期
1965.06.10
申请号
GB19620025444
申请日期
1962.07.03
申请人
THE HOOVER COMPANY
发明人
分类号
H02M3/155
主分类号
H02M3/155
代理机构
代理人
主权项
地址
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